Bose SoundSport Free Truly Wireless vs Fitbit Flyer Wireless

Which Headphones Are Better?

Products

Bose SoundSport Free Truly Wireless
Fitbit Flyer Wireless

Tested using Methodology v1.5

Updated Jun 17, 2025 05:47 PM

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Amazon.com

Tested using Methodology v1.3.1

Updated May 05, 2025 07:18 PM

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Bose SoundSport Free Truly Wireless Picture

Track

Fitbit Flyer Wireless Picture

Track

Our Verdict

Bose SoundSport Free Truly Wireless

Fitbit Flyer Wireless

If you prefer the compact format of a truly wireless design, then the Bose SoundSport Free Truly Wireless will be a better choice; however, if you want a typical wireless in-ear for sports go for the Fitbit Flyer Wireless instead. The Bose have a better sound quality than the Fitbit. They're also a bit more comfortable to wear thanks to their earbud design. The Bose are also a bit more portable, thanks to their truly wireless design, although their case is rather bulky. On the other hand, the Fitbit have a more isolating in-ear fit, which makes them more suitable for noisy environments and commutes. They're also more stable thanks to their multiple tips and stability fins sizes. The Fitbit also have a longer battery life on a single charge.

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Variants

  • SoundSport Free (Black)
  • SoundSport Free (Bright Orange)
  • Flyer (Lunar Grey)
  • Flyer (Nightfall Blue)

Check Price

Black
SoundSport Free
SEE PRICE
Amazon.com
Lunar Grey
Flyer
SEE PRICE
Amazon.com
Bright Orange
SoundSport Free
SEE PRICE
Amazon.com
Nightfall Blue
Flyer
SEE PRICE
Amazon.com
Midnight Blue
SoundSport Free
SEE PRICE
Amazon.com
 
Ultraviolet
SoundSport Free Amazon Exclusive
SEE PRICE
Amazon.com
 
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Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 
 

N/A
0.0
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Full Comparison

Design

Style  

Design Picture 2  

Bose SoundSport Free Truly Wireless Design Picture 2 Sample

SAMPLE

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Fitbit Flyer Wireless Design Picture 2 Sample

SAMPLE

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Type  

Locked
Locked

Enclosure  

Locked
Locked

Wireless  

Locked
Locked

Transducer  

Locked
Locked

Comfort 
 

N/A
N/A

Comfort Picture  

Bose SoundSport Free Truly Wireless Comfort Picture Sample

SAMPLE

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Fitbit Flyer Wireless Comfort Picture Sample

SAMPLE

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Weight  

Lock lbs
Lock lbs

Clamping Force 
 

Lock lbs
Lock lbs

Controls 
 

N/A
N/A

Controls Picture  

Bose SoundSport Free Truly Wireless Controls Picture Sample

SAMPLE

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Fitbit Flyer Wireless Controls Picture Sample

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OS Compatibility 
 

Locked
N/A

Ease Of Use  

Locked
Locked

Feedback  

Locked
Locked

Call/Music Control  

Locked
Locked

Volume Control  

Locked
Locked

Microphone Control  

Locked
Locked

Channel Mixing 
 

Locked
N/A

Noise Cancelling Control  

Locked
N/A

Talk-Through 
 

Locked
N/A

Additional Controls  

Locked
Locked

Breathability 
 

N/A
N/A

Breathability After Picture  

Bose SoundSport Free Truly Wireless Breathability After Picture Sample

SAMPLE

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Fitbit Flyer Wireless Breathability After Picture Sample

SAMPLE

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Avg.Temp.Difference  

Lock °C
Lock °C

Portability 
 

N/A
N/A

Portability Picture  

Bose SoundSport Free Truly Wireless Portability Picture Sample

SAMPLE

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Fitbit Flyer Wireless Portability Picture Sample

SAMPLE

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Lock" (Lock cm)
Lock"

 

Lock" (Lock cm)
Lock"

 

Lock" (Lock cm)
Lock"

Volume  

Lock in³ (Lock cm³)
Lock in³

Transmitter Required  

Locked
N/A

Case 
 

N/A
N/A

Case Picture  

Bose SoundSport Free Truly Wireless Case Picture Sample

SAMPLE

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Fitbit Flyer Wireless Case Picture Sample

SAMPLE

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Type  

Locked
Locked

 

Lock" (Lock cm)
N/A

 

Lock" (Lock cm)
N/A

 

Lock" (Lock cm)
N/A

Volume  

Lock in³ (Lock cm³)
N/A

Build Quality 
 

N/A
N/A

Build Quality Picture  

Bose SoundSport Free Truly Wireless Build Quality Picture Sample

SAMPLE

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Fitbit Flyer Wireless Build Quality Picture Sample

SAMPLE

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Stability 
 

N/A
N/A

Stability Picture  

Bose SoundSport Free Truly Wireless Stability Picture Sample

SAMPLE

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Fitbit Flyer Wireless Stability Picture Sample

SAMPLE

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Headshots 1  

Angled Picture  

Bose SoundSport Free Truly Wireless Angled Picture Sample

SAMPLE

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Fitbit Flyer Wireless Angled Picture Sample

SAMPLE

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Side Picture  

Bose SoundSport Free Truly Wireless Side Picture Sample

SAMPLE

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Fitbit Flyer Wireless Side Picture Sample

SAMPLE

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Headshots 2  

Front Picture  

Bose SoundSport Free Truly Wireless Front Picture Sample

SAMPLE

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Fitbit Flyer Wireless Front Picture Sample

SAMPLE

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Rear Picture  

Bose SoundSport Free Truly Wireless Rear Picture Sample

SAMPLE

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Fitbit Flyer Wireless Rear Picture Sample

SAMPLE

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Top  

Top Picture  

Bose SoundSport Free Truly Wireless Top Picture Sample

SAMPLE

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Fitbit Flyer Wireless Top Picture Sample

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In The Box  

In The Box Picture  

Bose SoundSport Free Truly Wireless In The Box Picture Sample

SAMPLE

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Fitbit Flyer Wireless In The Box Picture Sample

SAMPLE

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Sound

Sound Profile 
 

Frequency Response  

Bose SoundSport Free Truly Wireless Frequency Response Sample

SAMPLE

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Fitbit Flyer Wireless Frequency Response Sample

SAMPLE

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Frequency Response  

Bose SoundSport Free Truly Wireless Frequency Response Sample

SAMPLE

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Fitbit Flyer Wireless Frequency Response Sample

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Bass Amount 
 

Lock dB
Lock dB

Treble Amount 
 

Lock dB
Lock dB

Frequency Response Consistency 
 

N/A
N/A

Consistency L  

Bose SoundSport Free Truly Wireless Consistency L Sample

SAMPLE

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Fitbit Flyer Wireless Consistency L Sample

SAMPLE

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Consistency R  

Bose SoundSport Free Truly Wireless Consistency R Sample

SAMPLE

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Fitbit Flyer Wireless Consistency R Sample

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Avg. Std. Deviation 
 

Lock dB
Lock dB

Raw Frequency Response 
 

Raw FR L  

Bose SoundSport Free Truly Wireless Raw FR L Sample

SAMPLE

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Fitbit Flyer Wireless Raw FR L Sample

SAMPLE

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Raw FR L  

Bose SoundSport Free Truly Wireless Raw FR L Sample

SAMPLE

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Fitbit Flyer Wireless Raw FR L Sample

SAMPLE

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Raw FR R  

Bose SoundSport Free Truly Wireless Raw FR R Sample

SAMPLE

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Fitbit Flyer Wireless Raw FR R Sample

SAMPLE

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Raw FR R  

Bose SoundSport Free Truly Wireless Raw FR R Sample

SAMPLE

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Fitbit Flyer Wireless Raw FR R Sample

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Bass Accuracy 
 

N/A
N/A

Bass  

Bose SoundSport Free Truly Wireless Bass Sample

SAMPLE

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Fitbit Flyer Wireless Bass Sample

SAMPLE

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Bass  

Bose SoundSport Free Truly Wireless Bass Sample

SAMPLE

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Fitbit Flyer Wireless Bass Sample

SAMPLE

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Std. Err. 
 

Lock dB
Lock dB

Low-Frequency Extension 
 

Lock Hz
Lock Hz

Low-Bass 
 

Lock dB
Lock dB

Mid-Bass 
 

Lock dB
Lock dB

High-Bass 
 

Lock dB
Lock dB

Mid Accuracy 
 

N/A
N/A

Mid  

Bose SoundSport Free Truly Wireless Mid Sample

SAMPLE

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Fitbit Flyer Wireless Mid Sample

SAMPLE

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Mid  

Bose SoundSport Free Truly Wireless Mid Sample

SAMPLE

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Fitbit Flyer Wireless Mid Sample

SAMPLE

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Std. Err. 
 

Lock dB
Lock dB

Low-Mid 
 

Lock dB
Lock dB

Mid-Mid 
 

Lock dB
Lock dB

High-Mid 
 

Lock dB
Lock dB

Treble Accuracy 
 

N/A
N/A

Treble  

Bose SoundSport Free Truly Wireless Treble Sample

SAMPLE

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Fitbit Flyer Wireless Treble Sample

SAMPLE

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Treble  

Bose SoundSport Free Truly Wireless Treble Sample

SAMPLE

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Fitbit Flyer Wireless Treble Sample

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Std. Err. 
 

Lock dB
Lock dB

Low-Treble 
 

Lock dB
Lock dB

Mid-Treble 
 

Lock dB
Lock dB

High-Treble 
 

Lock dB
Lock dB

Peaks/Dips 
 

N/A
N/A

Peaks/Dips Graph  

Bose SoundSport Free Truly Wireless Peaks/Dips Graph Sample

SAMPLE

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Fitbit Flyer Wireless Peaks/Dips Graph Sample

SAMPLE

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Peaks/Dips Graph  

Bose SoundSport Free Truly Wireless Peaks/Dips Graph Sample

SAMPLE

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Fitbit Flyer Wireless Peaks/Dips Graph Sample

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Peaks 
 

Lock dB
Lock dB

Dips 
 

Lock dB
Lock dB

Imaging 
 

N/A
N/A

Group Delay  

Bose SoundSport Free Truly Wireless Group Delay Sample

SAMPLE

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Fitbit Flyer Wireless Group Delay Sample

SAMPLE

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Phase Response  

Bose SoundSport Free Truly Wireless Phase Response Sample

SAMPLE

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Fitbit Flyer Wireless Phase Response Sample

SAMPLE

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Phase Response Mismatch  

Bose SoundSport Free Truly Wireless Phase Response Mismatch Sample

SAMPLE

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Fitbit Flyer Wireless Phase Response Mismatch Sample

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Weighted Group Delay 
 

Lock
Lock

Weighted Phase Mismatch 
 

Lock
Lock

Weighted Amplitude Mismatch 
 

Lock
Lock

Weighted Frequency Mismatch 
 

Lock
Lock

Passive Soundstage 
 

N/A
N/A

PRTF  

Bose SoundSport Free Truly Wireless PRTF Sample

SAMPLE

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Fitbit Flyer Wireless PRTF Sample

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PRTF Accuracy (Std. Dev.) 
 

N/A
N/A

PRTF Size (Avg.) 
 

N/A
N/A

PRTF Distance 
 

N/A
N/A

Openness 
 

0.0
0.0

Acoustic Space Excitation 
 

0.0
0.0

Virtual Soundstage 
 

N/A
N/A

Virtual Soundstage  

Bose SoundSport Free Truly Wireless Virtual Soundstage Sample

SAMPLE

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Fitbit Flyer Wireless Virtual Soundstage Sample

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Head Modeling 
 

Locked

Speaker Modeling 
 

Locked

Room Ambience 
 

Locked

Head Tracking 
 

Locked

Virtual Surround 
 

Locked

Weighted Harmonic Distortion 
 

N/A
N/A

Weighted Harmonic Distortion  

Bose SoundSport Free Truly Wireless Weighted Harmonic Distortion Sample

SAMPLE

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Fitbit Flyer Wireless Weighted Harmonic Distortion Sample

SAMPLE

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WHD @ 90 
 

Lock
Lock

WHD @ 100 
 

Lock
Lock

Test Settings 
 

Firmware 
 

Locked

Power 
 

Locked

Connection 
 

Locked

Codec 
 

Locked

EQ 
 

Locked

ANC 
 

Locked

Tip/Pad 
 

Locked

Microphone 
 

Locked
Isolation

Noise Isolation 
 

N/A
N/A

Noise Isolation  

Bose SoundSport Free Truly Wireless Noise Isolation Sample

SAMPLE

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Fitbit Flyer Wireless Noise Isolation Sample

SAMPLE

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Isolation Audio 
 

Overall Attenuation 
 

Lock dB
Lock dB

Noise Cancelling  

Locked
Locked

Bass 
 

Lock dB
Lock dB

Mid 
 

Lock dB
Lock dB

Treble 
 

Lock dB
Lock dB

Leakage 
 

N/A
N/A

Leakage  

Bose SoundSport Free Truly Wireless Leakage Sample

SAMPLE

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Fitbit Flyer Wireless Leakage Sample

SAMPLE

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Leakage Audio 
 

Overall Leakage @ 1ft 
 

Lock dB
Lock dB
Microphone

Microphone Style 
 

Integrated 
 

Locked
Locked

In-Line 
 

Locked
Locked

Boom 
 

Locked
Locked

Detachable Boom 
 

Locked
N/A

Mic  

Locked
Locked

Recording Quality 
 

N/A
N/A

Microphone Frequency Response  

Bose SoundSport Free Truly Wireless Microphone Frequency Response Sample

SAMPLE

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Fitbit Flyer Wireless Microphone Frequency Response Sample

SAMPLE

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Recorded Speech 
 

LFE 
 

Lock Hz
Lock Hz

FR Std. Dev. 
 

Lock dB
Lock dB

HFE 
 

Lock Hz
Lock Hz

Weighted THD 
 

Lock
Lock

Gain 
 

Lock dB
Lock dB

Noise Handling 
 

N/A
N/A

SpNR  

Bose SoundSport Free Truly Wireless SpNR Sample

SAMPLE

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Fitbit Flyer Wireless SpNR Sample

SAMPLE

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SpNR 
 

Lock dB
Lock dB

Noise Gate 
 

Locked

Speech + Pink Noise Handling 
 

0.0

Speech + Pink Noise Audio Sample  

Speech + Subway Noise Handling 
 

0.0

Speech + Subway Noise Audio Sample  

Active Features

Battery 
 

N/A
N/A

Battery Type 
 

Locked
Locked

Continuous Battery Life 
 

Lock hrs
Lock hrs

Additional Charges 
 

Lock
Lock

Total Battery Life 
 

Lock hrs
Lock hrs

Charge Time 
 

Lock hrs
Lock hrs

Power-Saving Feature 
 

Locked
Locked

Audio While Charging 
 

Locked
Locked

Passive Playback 
 

Locked
Locked

Charging Port  

Locked
Locked

App Support 
 

N/A
N/A

App Picture  

Bose SoundSport Free Truly Wireless App Picture Sample

SAMPLE

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Fitbit Flyer Wireless App Picture Sample

SAMPLE

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App Name  

Locked
N/A

iOS  

Locked
N/A

Android  

Locked
N/A

macOS  

Locked
N/A

Windows  

Locked
N/A

Equalizer 
 

Locked
N/A

ANC Control 
 

Locked
N/A

Mic Control  

Locked
N/A

Room Effects 
 

Locked
N/A

Playback Control 
 

Locked
N/A

Button Mapping  

Locked
N/A

Surround Sound  

N/A

Surround Support 
 

Locked
Connectivity

Bluetooth 
 

N/A
N/A

Bluetooth Version 
 

Locked
Locked

Multi-Device Pairing 
 

Locked
Locked

NFC Pairing 
 

Locked
Locked

Line Of Sight Range 
 

Lock ft (Lock m)
Lock ft

PC Latency (SBC) 
 

Lock ms
Lock ms

PC Latency (aptX) 
 

N/A
N/A

PC Latency (aptX HD) 
 

N/A

PC Latency (aptX-LL) 
 

N/A
N/A

iOS Latency 
 

Lock ms

Android Latency 
 

Lock ms

Non-Bluetooth Wireless 
 

N/A
N/A

Non-BT Line Of Sight Range 
 

N/A
N/A

Non-BT Latency 
 

N/A
N/A

Wired 
 

N/A
N/A

Cable Picture  

Bose SoundSport Free Truly Wireless Cable Picture Sample

SAMPLE

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Fitbit Flyer Wireless Cable Picture Sample

SAMPLE

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Analog Audio 
 

Locked
N/A

USB Audio 
 

Locked
N/A

Detachable  

Locked
Locked

Length  

N/A
N/A

Connection 
 

Locked
N/A

Wired Latency 
 

N/A

Analog/USB Audio Latency 
 

N/A

PC Compatibility 
 

Analog 
 

Locked

Wired USB 
 

Locked

Non-BT Wireless 
 

Locked

PC / PS4 Compatibility 
 

PC / PS4 Analog 
 

Locked
Locked

PC / PS4 Wired USB 
 

Locked
Locked

PC / PS4 Non-BT Wireless 
 

Locked
Locked

PlayStation Compatibility 
 

PS4 Analog 
 

Locked
Locked

PS4 Wired USB 
 

Locked
Locked

PS4 Non-BT Wireless 
 

Locked
Locked

PS5 Analog 
 

Locked

PS5 Wired USB 
 

Locked

PS5 Non-BT Wireless 
 

Locked

Xbox Compatibility 
 

Xbox One Analog 
 

Locked
Locked

Xbox One Wired USB 
 

Locked
Locked

Xbox One Non-BT Wireless 
 

Locked
Locked

Xbox Series X|S Analog 
 

Locked

Xbox Series X|S Wired USB 
 

Locked

Xbox Series X|S Non-BT Wireless 
 

Locked

Base/Dock 
 

N/A
N/A

Type 
 

Locked
N/A

USB Input 
 

Locked
N/A

Line In 
 

Locked
N/A

Line Out 
 

Locked
N/A

Optical Input 
 

Locked
N/A

RCA Input 
 

Locked
N/A

Dock Charging 
 

Locked
N/A

Power Supply 
 

Locked
N/A

Check Price

Black
SoundSport Free
SEE PRICE
Amazon.com
Lunar Grey
Flyer
SEE PRICE
Amazon.com
Bright Orange
SoundSport Free
SEE PRICE
Amazon.com
Nightfall Blue
Flyer
SEE PRICE
Amazon.com
Midnight Blue
SoundSport Free
SEE PRICE
Amazon.com
 
Ultraviolet
SoundSport Free Amazon Exclusive
SEE PRICE
Amazon.com
 

Bose SoundSport Free Truly Wireless

Fitbit Flyer Wireless

Comments

  1. Comparison

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