Supersonic IQ-130BT Wireless Bluetooth Hdphnes Red

High performance headphones with clear, rich stereo music, Wireless built-in BT receiver allows you to wirelessly connect youriPad, iPhone, iPod, Android tablet, HDTV, laptop, MP3 player & more, Built-in FM radio, Built-in microphone allows you to talk when you make a phone call, Aux 3.5mm input: gives you the option to connect to non-BT devices, Built-in micro USB input for charging, Built-in micro SD card slot, Adjustable folding design with soft head band and soft-cushioned earcups, Music volume control directly on the headphones, Noise reduction, Built-in rechargeable battery, Duration: music 4hrs. / talk 4hrs. / Standby time: 180hrs. / Charging time: 2hrs., BT Version: V 4.2 JR, Drivers: 40mm, Impedance: 32ohm, Sensitivity: -80dBm, Frequency Response: 20Hz-20000Hz, Frequency Range: 2.4GHz - 2.48GHz, Transmission Distance: 33FT., Battery Voltage: 250mAh, Battery Charging Voltage: DC 5V 0.5V