Logitech M240 Silent Bluetooth Mouse, Wireless, Compact, Portable, Flowing Monitoring for Windows, MacOS, Chrome OS, Compatible with Computer, Macbook, Laptop, Tablet 
Specs and Compatibility
Dimensions
Mouse
Height: 3.90 in (99 mm)
Width: 2.36 in (60 mm)
Depth: 1.54 in (39 mm)
Weight (with batteries): 2.60 oz (73.8 g)
Technical Specifications
Silent Touch Technology
90% noise reduced Left/Right-click, Middle click 
Sensor technology
Smooth optical tracking
Nominal value: DPI range
DPI range: 400-4000, Steps of 100 DPI
Buttons
Number of Buttons : 3 (Left/Right-click, Middle click)
Scrolling
Line-by-line scrolling
Scroll Wheel: Yes, 2D, mechanical
Battery life
Battery life: 18 months 
Battery Details: 1 x AA (included)
Connectivity
Connection Type: Bluetooth Low Energy Technology
Wireless range: 33 ft (10 m) 
Connect / Power: Yes, on/off switch
Customization app
Supported by Logi Options+ on Windows and macOS 
System Requirements
Bluetooth-enabled computers or mobile devices that support external mice (HID profile). Check with device manufacturer for details.
Windows® 10, 11 or later macOS 11 or later iPadOS 14 or later ChromeOS™ Linux® Android™ 9.0 or later Internet access required to download optional customization app Logi Options+ 
 Compatible with Logi Bolt USB Receiver (not included) Not compatible with other Logitech USB receivers.
Warranty Information
1-Year Limited Hardware Warranty