*Connectivity: Bluetooth/2.4GHz *Bluetooth Version: 5.0 *Connecting devices: can simultaneously connect 3 devices (one 2.4G, two BT) *Transmission Distance: 10m/33ft Max (no blocking) *DPI (Sensitivity): 1000/1600/2000/4000 DPI *Charging Port: USB-C *Battery Capacity: 500mAh 3.7V (1.85 Wh) *Charging Time: About 2 hours *Compatible Systems: Windows 7/8.1/10/11 macOS 10.5 or later Linux Chrome OS iPadOS 14 or later Android 5.0 or later iOS 15 or later HarmonyOS - Color - Blue