Built-in Mic for handsfree functionality - Transmission Distance up to 33ft - Omnidirectional microphone that picks up your voice without having to talk directly - Hands free functionality  let you convert any Smartphone or Bluetooth Device</br>3.5 mm AUX line in - Allow music playback from various sources even when not charged. AUX line in allows music playback from various sources even when not charged - you can use any aux line out from any device - or any music player on Cars Speakers Cell Phones Computers Imac Macbook Pro Macbook Air Surface AND MUCH More.</br>Up to 10 hours of battery life -Impedance: 32ohm - Frequency Response 20-20.000Hz - Sensibility 106dB+3dB - Polymer Lithium Battery you can control volume - tracks and many more from the easy access - Sensibility buttons located in the Front right of the Headphones.</br>Easy access controller for your freedom LED indicator light bluetooth headphones with mic  Volume controller Play/Pause Track Controller. Answer/Hang up calls with one button.</br>Enjoy your favorite tunes in ultimate comfort with this Bluetooth headset's soft over-the-ear headphones.</br></br>Product Description</br></br><b>Exquise Sound Quality</b> <br>The bluetooth over ear headphones delivers crystal clear and high-fidelity sound for the richest listening experience. <br>isolating designs filters out ambient noise. <br> <b>Comfortable Design</b> <br>The Ultra-soft earcups ensure a snug seal?? an inline remote and microphone add convenience: take hands-free calls and resume your music without hiccup <br> <b>Product Features</b> <br>Bluetooth 4.1 stereo headphones for wireless music steaming. <br>Bluetooth headphones?? satisfy your quiet requirement during life?? travel?? work <br>High-fi