Features:1.Supportconnectingtwophones.2.Applephonecanbedisplayedonelectricity.3.Longstandby(canstand3-4days) .4.Fastcharging.Specification:bluetoothModeStereocallsvibrationbluetoothversionV4.0+EDRcompatibleFrequency2.4GHz-2.48GHzTransmissionpowerClass2Operatingvoltage3.6VOperatingCurrent25mATransmissiondistance10mChargingtime1H-2HTalktimeAbout4 hoursStandbytimeAbout150 hoursColorGray,WhitePackageIncluded:1XbluetoothHeadsetPicture Details: