Product information:
Power supply mode: Built-in lithium battery
Frequency range: 100HZ-20KHZ
Battery capacity: 1200mah
Functions: card insertion, radio, voice prompt, call function
Power type: USB
Color: blue, black, red, silver gray, green
Interface Type: USB
Channel: 2.1
Shell material: PU leather
Operation mode: Button
Stand-alone size: 170*70.2*71.8mm,