Regular keys
Left+Right+Scroll keys
Smart keys
AI key+voice key+M key (custom key)
Wireless recognition distance
10m (Max)
USB connection
USB 2.0/USB 3.0
Bluetooth connectivity
Bluetooth 3.0/5.0+Bluetooth 3.0/5.0
Conventional operating current
6-15mA
Charging time
About 1.5 hours