Features: 100%Brandnewandhighquality! WaterproofDustproofAnti-scratchShockproofHightemperatureResistantSpeaker StylishandexquisiteappearancewhichisconvenienttocarryWithityoucanenjoymusicanytimeandanywhere NFCTechnology(NearFieldCommunication)foreasyandinstantpairing HiFiandclearloudsoundoutput Builtinmicrophoneallowsyoutoanswercallswhilelisteningtomusic IPX4GradeWaterproofexcellentforOutdoorSportandexerciseandTravel Usedas3600MAHpowerbankcanchargeyourphoneorotherdeviceinemergency Specifications: BluetoothResolution:CSR4.0 Waterresistance:IPX4 OutputPower:3Wx2 FrequencyResponse:20Hz~20kHz BatteryLi-ion:3.7V BatteryCapacity:3600mAh Audioinput:3.5mmJackCableandpowerconnector On/Off/Bluetoothswitch PowerlndicatorLight:Bluelights Range:upto10metresopenfield Color:BlackRedBlueGreen Size:16.8cmx6.5cmx6.5cm Packageincludes: 1*Bluetoothspeaker 1*USBcable 1*3.5mmjackaudiocable 1*Carabiner