Novel design with mic quality sound bluetooth speaker with reachargeable battery friendly control button SpecificationProduct nameeRock Bluetooth speakerItem no.KHBS004Bluetooth SpecificationV2.1Hands-free functionNoDistortion≤3%RF Range10-15mFrequency Response20Hz-20KHzLoudspeaker Output2WWorking voltage/current3.7V/400mAcharging voltage/current5V/400mASignal-To-Noise≥85dB±2dBBattery ...
