Waterproof Bluetooth audio
$23.76
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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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