... DSP noise cancelling technoloy, let you get high quality music, hands-free phone conversation with clear voice even in noisy environment like ... HookSupport ModeA2DP,AVRCP,HSP,HFPCharger time2hDistance≤10metersStandby time240hTalking times8h(80%)Music time8hoursPackingGift box packageCommunicationWirelessFunctionBluetooth,Microphone, Noise Cancelling, WaterproofSupport FunctionMusic,Conversation, ...