Timetomarket:2015 Style:EarHook LineLength:None Resistance:32 Package:Yes Use:PortableMediaPlayer Communication:Wireless PlugType:Wireless Connectors:USB Iswireless:Yes Function:BluetoothNoiseCancellingMicrophoneWirelessHeadphone WithMicrophone:Yes FrequencyResponseRange:20-20Hz ModelNumber:FineBlueF920 Color:Black;White;Silver;Golden;Red Bluetoothversion:V4.0 Thephonetime:Upto6hours Thestandbytime:120hours Thechargingtime:lessthan2hours Thechargingcurrent::90mah