1.Key number: 35
2.BT version: BT3.0 or 5.0
3.Distance：10M
4.Frequency: 2.402-2.480GHz
5.Compatibility:Mac OS 10.0 above, IOS 9.2 and above, compatible with iMac, Macbook, Macbook Air/Pro.Windows 2000/XP/Vista/7/8/10, Android system
6.Battery: Built-in lithium polymer battery
7.Battery spec:
- Capacity: 300mA
- Playing time: About 80 hours
- Stand-by: About 600 hours
- Charging time: About 2.5 hours
USB: Type C plug for charging
