$31.94
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 400MAH
Frequency response range: 40Hz-20KHz
Power supply: built-in lithium battery
Playing time: 2-3 hours
Bluetooth protocol: 4.2
Effective distance: 10 meters
Function: waterproof, drop-proof, voice prompt, card, remote control, radio, dustproof, call function
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