Timetomarket:2015 Style:In-Ear Package:Yes Use:MobilePhone Communication:Wireless PlugType:Wireless Iswireless:Yes Function:BluetoothNoiseCancelling ModelNumber:ZA26201-ZA26203 CompatibleFor:AlmostAllTheMobilePhonesAndTabletPCetc. Bluetoothversion::BluetoothV4.0+EDR Bluetoothmode::Bluetooth/Headset/A2DP Radiofrequency::2.402-2.480GHz TransmissionLevel::CLASS2 SupportA2DP::musicplay(audiooutput:3.5mWPlay/Pause) Workrange::10meters Chargingsystem::ACinput:110V-220VDC;output:5V Wearingstyle::in-earinvisiblepatentproduct Dimensions::28mm*16mm*15mm