Wireless charging power: 15w
Bluetooth version: 5.2 Bluetooth
Bluetooth frequency: 2.4 GHZ- 2.48GHZ
Transmission distance: 10m
Frequency response range: 50HZ-20KHZ
Signal to noise ratio of the whole machine: >75db
Built-in lithium battery
Voltage: 3.7v
Charging input: DC5V/500MA
-24%