Feature:1. BT4.2 / 2.4G Dual Modes2. 4-Grade movement speed Adjustment3. Strong Compatibility4. Plug and Use5. for Windows Andriod MacSpecification:1.Description:Xiaomi Mi Portable Mouse 2 Wireless Mouse with BT 4.2 Dual-Mode 4000DPI 2.4GHz Laptop Mouse Metal Mice for Windows Andriod Laptop PC Computer Mac Office/Home use2.Features:BT4.2 / 2.4G Dual Modes4-Grade DPI AdjustmentStrong CompatibilityPlug and Use3.Parameters:Item name: Xiaomi Portable Mouse 2Working voltage: 1.5V 10mAWorking distance: <8mWorking temperature: 0~40Resolution: 1200-4000DPIConnection: BT 4.2 / RF 2.4GHzMaterial: ABS+PC+Aluminum alloySupport system: Windows 10, MacOS 10.10 or Andriod 6.0 and aboveCMIIT ID: 2020DP7542Product size: 109.8 * 60 * 25.7 mmProduct weight: 86 g4.Note:There is a little of difference according to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.5.Package List:1*Mi Mouse 21*USB Receiver1*AA Battery1*User ManualPackage List:1*Mi Mouse 21*USB Receiver1*AA Battery1*User Manual