Ergonomic design MX MASTER 3S for Mac, iPad OS compatible. Number of buttons: 7 buttons (left/right click, back/forward, app switching, wheel mode shift, middle click) Scroll wheel: Yes (with smart shift) Thumbwheel: Yes Gesture button: Yes Customization app: Supported by Logi Options+ (Windows/macOS*). (*Available at logicool.co.jp/optionsplus for Windows and macOS) Battery & Charging Battery type: Rechargeable lithium polymer (500 mAh) battery Battery life: 3 hours of use with a 1-minute quick charge. * (*Battery life may vary depending on usage.) Connectivity Wireless technology: Bluetooth Low Energy technology Wireless operating range: 10 m*. (*Wireless operating range may vary depending on the operating environment and computer setup.) System Requirements Requirements: Internet access is required to download the optional customization app Logi Options+*. (*Available at logicool.co.jp/optionsplus for Windows and macOS) Logi Bolt USB receiver: Requirements: USB-A port Windows 10, 11 or later, macOS 10.15 or later Linux*, ChromeOS*. (*Basic device functions will work without software on systems other than Windows and macOS) Compatibility: Requires Intel® Evo™ laptops Windows 10, 11 or later macOS 10.15 or later Linux*, ChromeOS™*, iPadOS* 14 or later Android™* 8.0 or later, Bluetooth Low Energy technology, not compatible with Logitech Unifying USB receiver technology. (*Basic device functions will work without software on systems other than Windows and macOS)