Specifications︰
1.Built in lithium battery:400mAh 2.Output power:3W 3.Internal speaker:45MM 4.Mic Sensitivity: 400mV 5.Frenquency:50Hz-20KHz 6.S/N:≥88dB 7.Working voltage:DC 5V 8.Outdoor sport speaker 9.Solid mobile Bluetooth stereo 10.Shock proof, dust proof,IP*4 waterproof 11.Equipped with aluminum alloy mountaineering buckle, easy to carry 12.working distance10M 13.Support 3.5MM AUX in,TF card,microphone,Voice prompt function