8BitDo Retro R8 Green Translucent Wireless Mouse With Charging Base 1. Sensor: PAW3395 2. Connectivity: Bluetooth2.4GWired 3. Battery capacity: 450mAh 4. Battery life: can be used about 100 hours 5. Charging time: about 2.5 hours full 6. Return rate: 2.4G 4K; wired 8K 7. Side keys: 4 customized side keys 8. Microswitch: Kaihua white blade microswitch 9. Foot sticker: teflon foot sticker 10. Packing list: mouse, base, receiver, manual, 1.8m data cable 11. Size: mouse about 11.5 x 5.8 x 3.94cm, base about 11.52 x 5.8 x 4.59cm 12. Weight: mouse about 77g, base about 192g Features: 1. Chargingsignal extension base, enhance the signal, put down that is charged, pick up that is used 2. Customized side button buttons, symmetrical left and right hand dual mode, 4 customized side buttons 3. High-performance PAW3395 sensor, accurate positioning, stable performance 4. 6-level DPI sensitive adjustment 5. Wired 8000Hz, flagship response speed 6. Support wired, 2.4G, Bluetooth three modes of connection 7. Support setting left and right hand mode, key mapping, DPI, return rate in 8BitDo software