Bluetooth amplifier Newest unique design Rechargeable battery Great sound quality Product nameeRock Bluetooth SpeakerItem no.KHBS007Bluetooth Specification2.1 + EDRHands-free functionNoDistortion≤3%RF Range10MFrequency Response20HZ-20K HZLoudspeaker Output2.5WWorking voltage/current5Vcharging voltage/currentDC 5VSignal-To-Noise≥90±2dBBattery Capacity850mAhCharging Time2-3hoursPlayback Time5- ...
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