The Logitech M240 is a wireless mouse designed as a portable option for light office work and everyday browsing. Its compact size makes it easy to store in bags or laptop cases, and its symmetrical shape makes it suitable for left- and right-handed users. It connects via Bluetooth and uses a single AA battery for power. The left- and right-click buttons are very quiet, and it has a standard rubber scroll wheel for line-by-line scrolling, but it doesn't have any side buttons. Logitech also advertises that this mouse is made partly with post-consumer recycled plastic.
The Logitech M240 is acceptable for work use. It has a symmetrical shape suitable for right- and left-handed users, but it's quite small, so it isn't as comfortable to use for extended periods if you have large or extra-large hands. It also has impressive build quality, and the left- and right-click buttons are very quiet and unlikely to bother anyone around you, even in noise-sensitive environments. Unfortunately, there aren't any side buttons, and while this mouse connects via Bluetooth, you can't pair with more than one device simultaneously.
The Logitech M240 is decent for playing casual FPS games but isn't designed specifically for this use. That said, it's fairly lightweight in its default configuration, and it has satisfactory click latency. However, the sensor latency and accuracy are only adequate and won't deliver a great experience for playing competitively.
The Logitech M240 is inadequate for MMO gaming. Unlike dedicated MMO mice, it has no side buttons, and only the scroll wheel button can be reprogrammed using the software. Additionally, while its click latency is satisfactory, the overall sensor performance doesn't feel particularly responsive or consistent and is only adequate for more casual gaming.
This mouse provides sub-par performance. The click latency is satisfactory, and the sensor latency and accuracy are adequate for casual gaming, but the maximum polling rate is only 125Hz. This mouse doesn't deliver a high-quality gaming experience that feels consistent or responsive enough for playing fast-paced or competitive titles.
The Logitech M240 is available in several color options: Graphite, Off-White, and Rose. We bought and tested the Graphite colorway, and you can see the label for our unit here.
The Logitech M240 is a straightforward, portable option for everyday browsing or office work. Its small size makes it easy to store in bags or laptop cases, and its symmetrical shape makes it reasonably comfortable for small and medium-sized hands. This mouse offers better ergonomics than more travel-focused models like the Logitech Pebble M350 or the Microsoft Arc Mouse. However, it lacks additional programmable buttons and advanced productivity features like multi-device pairing, free-scrolling, and gesture controls offered by more expensive portable productivity models like the Logitech MX Anywhere 3S or the Razer Pro Click Mini.
The Logitech Signature M650 and the Logitech M240 are wireless mice designed for everyday browsing and productivity. The Signature M650 is a bit larger and has two side buttons. It connects via Bluetooth or with its included USB receiver. On the other hand, the M240 is more compact and lacks side buttons. It connects via Bluetooth and doesn't include a USB receiver.
The Logitech Pebble M350 and the Logitech M240 are compact wireless mice. The Pebble M350 has a smaller, flatter body design for better portability. It connects wirelessly via Bluetooth or its included USB receiver. On the other hand, the M240 is a bit larger and has a somewhat more ergonomic shape. It also feels sturdier and is a bit lighter. It connects via Bluetooth and doesn't include a USB receiver.
The Logitech M240 and the Logitech MX Anywhere 3S are compact wireless mice. The M240 is much more basic and uses an AA battery for power. On the other hand, the MX Anywhere 3S recharges with a USB receiver and has much more extensive productivity features, including programmable side buttons, a scroll wheel with a free-scrolling mode, support for gesture commands, and multi-device pairing with up to three devices simultaneously.
The Logitech M240 and the Razer Pro Click Mini are compact wireless mice. The M240 is a basic model with no side buttons. It connects via Bluetooth. On the other hand, the Razer has two side buttons and connects via Bluetooth or its included USB receiver. It also has significantly more extensive productivity features, including programmable side buttons, a scroll wheel with a free-scrolling mode and L/R tilt inputs, support for gesture commands, and multi-device pairing with up to three devices simultaneously.
The Microsoft Arc Mouse and the Logitech M240 are basic, compact wireless mice. The Microsoft has an arc shape that collapses flat for better portability. It doesn't have a conventional scroll wheel but rather a tactile surface that registers swiping gestures for scrolling. On the other hand, the Logitech has a more conventional rounded shape and a normal scroll wheel design. Additionally, its left- and right-click buttons are also quieter.
The style of this mouse is fairly straightforward and generic. It has a small, rounded matte gray plastic body with a white 'Logi' logo on the palm area and a glossy gray accent band around the upper half of the mouse. There isn't any RGB lighting, but a small LED light on the bottom indicates when the mouse is on.
This mouse has great portability. It's small and compact, making sliding it into bags or laptop cases easy.
While this mouse connects via Bluetooth and doesn't come with a wireless receiver, there is a small storage slot next to the battery compartment accessed from the bottom of the mouse. This slot is likely there because this mouse shares the same body as several other Logitech models which use a wireless receiver.
The Logitech M240 has impressive build quality. The body is made of plastic and feels sturdy. There's a small amount of flexibility when applying pressure to the sides and bottom, but doing so doesn't produce any creaking sounds. You can hear the sound of the battery moving just a bit if you aggressively shake your mouse, but this isn't an issue when using the mouse normally.
This mouse is fairly lightweight in its default configuration, making it easy to carry around and move across mousepads or desks.
If weight optimization is important to you, you can further reduce the weight using a battery adapter to use AAA instead of AA batteries, which is how the Lowest Weight test result was obtained.
This mouse is symmetrical and equally suitable for right- or left-handed users. It's designed to be easy to carry around and is quite small. It's best suited for a claw or fingertip grip for most hand sizes, but the mouse may feel a bit too small to use comfortably for long stretches if you have large or extra-large hands.
The Logitech M240 connects wirelessly via Bluetooth. Logitech advertises that one AA battery can provide up to 18 months of usage with this mouse before needing to be replaced, but this will depend on how often you use your mouse.
During testing, we discovered that this mouse is also compatible with Logitech's BOLT receiver, which is available for separate purchase.
However, this mouse already connects wirelessly using Bluetooth, so it's unlikely that buying a BOLT receiver will provide most people with any benefit. Furthermore, it's worth noting that Logitech doesn't explicitly mention that this mouse is compatible with the BOLT receiver on this mouse's product page. If you're interested, you can read more about Logitech's BOLT receiver on their website here.
This is a wireless mouse that uses AA batteries for power, so it has no cable.
This mouse has decent feet, producing an okay gliding experience on mouse pads or desks without too much drag. However, they do produce some faint friction sounds while gliding.
You can reprogram the scroll wheel click using the customization software, but both the left- and right-click buttons and the wireless pairing button on the bottom of the mouse can't be customized.
This mouse has decent click latency and provides a responsive feeling experience for productivity, everyday browsing, or most casual gaming. However, the latency is too high for playing competitive or reaction-based games.
This mouse has adequate CPI performance. The sensor tracks movement reasonably consistently, so the physical movements you make with your mouse relate fairly close to those you see on-screen.
This mouse has adequate sensor latency. This mouse is suitable for productivity, everyday browsing, and more casual gaming. The sensor reacts quickly enough when you move your mouse, so you aren't likely to notice any delay with the timing of the cursor on-screen.
The Logitech M240 uses an optical sensor, but an exact model isn't specified on Logitech's product page. The maximum polling rate is 125Hz.
While some mice allow you to set an exact CPI to change your cursor sensitivity, this mouse allows you to adjust the pointer speed represented by a percentage.
The pointer speed is set to 50% out of the box, which seems roughly equivalent to 1000 CPI. The 0% pointer speed setting is approximately 400 CPI, and 100% is approximately 4000 CPI.
This mouse has a rubberized scroll wheel. It has small notches for added grip but feels a bit cheap overall. It operates fairly quietly with a relatively light tactile definition between scroll steps.
We noted during our testing that if you move away from the computer you're connected to, the scrolling accuracy decreases fairly drastically, which you may want to keep in mind if you plan on using this mouse for presentations or other situations where you're not right next to your computer.
The left- and right-click buttons are very quiet. The scroll wheel and scroll wheel click button make a bit more noise but are still quiet and unlikely to bother those around you.
This mouse uses the Options+ configuration software. The software provides basic customization options and has a clean, easy-to-use interface. You can reprogram the scroll click button and adjust various settings, including pointer and scrolling speeds.
The software also lets you create macros which Logitech calls Smart Actions. You can make your own or use several premade Smart Action templates for multiple keystrokes, text input, and actions in multiple programs.