Wireless stereo Bluetooth headphones with microphone from Owey A920BL

Product information specifications serial number A920BL package thickness 17.8 centimeters package weight 88 grams EAN-136954284012362 read more description: specifications type of connection: wireless talk time: 6 hours music playback duration: 4 hours charging time: 1 hour standby time: 200 hours battery capacity: 55 milliampere hours output power: 10 megawatts player unit: 11.5 millimeter sound sensitivity: 110 decibel ± 3 decibel electrical impedance ratio: 16 ohm ± 15% frequency response: 20 - 20000 hertz frequency range: 2.402 GHz - 2.480 GHz Bluetooth feature: available Bluetooth version: 4.0