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- Can Answer Phone Call - Up to 7 hour talk time & 200hours of Standby (depending on use and configuration of the device) Technical Specifications : Bluetoothe: 2.1 Class 2 Profiles: HSP, HFP, EDR Battery: Lithium polymer The First Time Charging it for 6hrs non-stop. Call functions : When there is an incoming call, the speaker will provide an acoustic signal. • Answering by pressing the button: press control button only once • Answering through a voice command: answer the call by speaking any word out loud (e.g. "HELLO!") • Ending a call: press the control button only once or wait until the other person hangs up • Rejecting an incoming call: press the control button twice, as soon as you hear the acoustic signal for an incoming call • Redialling: press the control button twice. This depends on the features and configuration of your mobile phone.