Specifications:1. Brand: Xiaomi2. Shell materia: Aluminum Alloy3. Key material: ABS4. bluetooth chip: Nordic 518225. Dpi: 12006. Weight: About 77.5g(contain Battery)7. Interface: USB 2.08. Connection mode: bluetooth4.0/ Wifi9. Range of Frequency: 2.4G10. Battery type: Two AAA11.Suitable for: Andriod TV Box,Android TV,Google TV Box,HTPC,IPTV,Pad,PC,PC360Features:1. Xiaomi portable mouse support dual mode connection, the use of 2.4G wireless adapter and bluetooth    connected to a computer, just press the mouse button at the bottom of the model can be between the two computers    Switch freely.2. Using anodized aluminum alloy shell, anti scratch and anti crash.3. Supports bluetooth 4.0, using Nordic 51822 bluetooth chip, to ensure fast transmission and    low power consumptionPackage included:1 x Xiaomi Mouse1 x USB Receiver2 x AAA BatteryNotice:bluetooth mode is not fully compatible with Win7