Features: 1. 2.4G wireless connection method. 2. Built-in rechargeable 600mAh lithium battery. 3. Professional IC positioning accuracy. 4. 10M wireless receiving distance. 5. Three-speed DPI adjustment design (1000/1600/2400DPI). 6. Acoustic switch with 10 million keystrokes life. 7. Automatic sleep power-saving design. 8. Cool colorful breathing light design. Specifications:  Product Type: Wireless Mouse.  Color: Black / White.  Backlit System: LED Breathing Light.  Light Effect: 7 kinds of Backlight Effect.  Buttons: 7.  Buttons Life: 10 million times.  Resolution: 1000-1600-2400DPI.  Voltage: 3.7V.  Current: 18mA.  Connection Method: 2.4G Wireless (with USB receiver).  Wireless Distance: 10m.  Power Supply: Built-in Rechargeable Lithium-ion Battery.  Battery Capacity: 600mAh.  Interface Port: Type-C.  Cable Length: 0.8m.  Applicable System: Windows 7/8/10/2000/Server 2003/XP/Vista/Mac OS10.10 or latest.  Size (L*W*H): 126 x 74 x 42mm.  Weight: 104g. Package Includes: 1 x Wireless Mouse. 1 x USB Receiver. 1 x Charging Cable. 1 x User Manual