Product information:
Power supply mode: Built-in lithium battery
Frequency range: 100HZ-20KHZ
Processing Method: OEM
Packing List: data cable audio cable
Applicable people: general
Battery capacity: 4000 mA
Functions: card insertion, waterproof, voice prompt, call function, NFC function
Power type: USB
Color: Black
Applicable scenarios: Desktop, fitness, outdoor, home, mobile/portable, karaoke, square dance, outdoor lawn
Channel: 2
Shell Material: Plastic
Operation mode: Button