Comfortable Hand Feeling Skin-friendly touch and anti-fingerprint. Charging 2 Hours & Using 3 Months Built-in 500mAh Rechargeable lithium battery, featured with USB-C charging port. Connect 3 Device Simultaneously Support bluetooth 5.0/3.0 and 2.4G wireless dual mode. 4-Level Adjustable DPI The 4-level DPI 1000/1600/2000/4000 to meet all yourConnecting Devices: Support 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