Logitech M557 Bluetooth Mouse

Technical Specifications:  - Dimensions (height x width x depth): 58mm  x 100mm x 34mm  - Mouse Weight (including battery): 107g  - Sensor technology: Advanced Optical Tracking  - Sensor Resolution: 1000  - Number of buttons: 6  - Scroll Wheel (Y/N): Yes  - Tilt scroll function (Y/N) Yes  - Battery life: 12-month battery life*  - Battery type: 2 AA batteries  - Wireless operating distance: Approx 10m*  - Wireless technology: Bluetooth®  - Supported OS: Windows 7/8/10, Mac OS X 10.6.8 or later Chrome OS  - Warranty: 3-year Limited hardware warranty  - Package Contains: M557 Bluetooth Mouse & 2pcs of AA batteries & Documentation  - Part Number: 910-003958 (Color: Dark Grey) * It may vary based on use and computing conditions.