Specifications Brand LenovoModel M1 Master Product Name Wireless bluetooth MouseUsage Scenario Office daily useDimensions 112 x 72 3 x 37 mmWeight 93 2 gNumber of Buttons 7Connectivity 2 4G Wireless bluetooth 5 0Device Connections Connect up to 4 devicesResolution DPI Settings 800 1600 2400 3200 4000 Switch via single button Charging Type Built in lithium batteryBattery Capacity 800 mAhScroll Wheel Dual mode Speed scrolling and Ratchet scrolling Polling Rate 125Hz in bluetooth mode 1000Hz in 2 4G wireless modeCompatible Systems Windows for MacOS iOS AndroidFeatures 1 Dual Mode Scroll Wheel Switch between speed scroll and ratchet scroll with a single press enhancing your browsing and productivity experience 2 Multi Device Connectivity Easily switch between up to 4 connected devices making it a perfect companion for multitasking 3 Adjustable DPI Five different DPI settings 800 1600 2400 3200 4000 for precision control based on your needs 4 Ergonomic Design Designed for comfort to reduce wrist strain during extended usage 5 Long Wireless Range Up to 10 meters of wireless transmission range for more flexibility 6 Extended Usage Time Built in 800mAh lithium battery provides up to 60 hours of continuous use on a single charge Package Include 1x Lenovo M1 Master Wireless bluetooth Mouse1x User Manual