Features:SupportBluetooth&Wirelesstransmission.Built-inMicrophone,enjoyinghand-freecall.Adopthighqualityaudiodecodechip,letyouexperienceperfectsoundquality.Built-inchargingbatteryandbuilt-inhighsensitivityMicrophone,listeningmusicanywhere.Uniquewater-proofdesign,usinginbathroom,sandbeach,swimmingpool.Whileleisure,youcanrelaxandenjoywonderfulmusic.Descriptions:Thebluetoothspeakerensuresshockproof,dustproof,waterproofleveluptoIPX4,suitableforoutdooruse.CompatiblewithanyBluetoothcapableplayer,phoneortablet.Suitableforcar,bedroom,washroom,kitchen,office,conference,businesstrip,vacationetc.Specialsuctioncupdesign,couldsuckedonanyflatsurfaceincludingdesk,wall,window.Specifications:Color:black,pink,yellow,blue,greenSpeakerSize:85*50mm(Dia.xH)Bluetoothsupport:2.1+EDRRange:10metersTransmittingfrequency:2.4GHZPowersupply:DC5V/100-120mABattery:3.7V400mAhlithiumChargingtime:approx.3hoursOperatingtime:approx.6hoursIPgrade:IPx4Frequencyresponse:100HZ-20KHZOutput:3wS/NRatio:>75dbDistortion: