ILIVE Ilive Bluetooth Over-the-ear Headphones With Microphone (black)

&bull; Bluetooth(R) range: 33 ft., supports A2DP<br> &bull; Auto pairing<br> &bull; Folding, adjustable headband<br> &bull; On-ear controls<br> &bull; Frequency response: 20 Hz to 20 kHz<br> &bull; 40 mm drivers<br> &bull; Impedance: 32 ohms<br> &bull; Sensitivity: 102 dB at 1 kHz SPL<br> &bull; Voice prompts announce headphone operations<br> &bull; Aux input<br> &bull; LED pairing and LED power indicator<br> &bull; Built-in rechargeable Li-Ion battery<br> &bull; Micro USB battery recharge port<br> &bull; Metallic finish<br> &bull; Up to 5 hours of playback time at 100% volume, 10 hours at 50%<br> &bull; Up to 2 hours for battery recharging<br> &bull; Includes 3.5 mm aux cable, micro USB to USB cable, warranty, and user&#39;s guide<br> &bull; Black;