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 ｣ｬ 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｣ｬ Speakers｣ｬ Cell Phones｣ｬ Computers｣ｬ Imac｣ｬ Macbook Pro｣ｬ Macbook Air｣ｬ Surface AND MUCH More.<br />Up to 8 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｣ｬ bluetooth headphones with mic ｣ｬ Volume controller｣ｬ Play/Pause｣ｬ Track Controller. Answer/Hang up calls with one button.<br />Enjoy your favorite tunes in ultimate comfort with this Bluetooth headset's soft｣ｬ over-the-ear headphones.<br /><br />Exquise Sound Quality <br />The bass headphones delivers crystal clear and high-fidelity sound for the richest listening experience｣ｬ passive noise <br />isolating designs filters out ambient noise. <br />Comfortable Design <br />The Ultra-soft earcups ensure a snug seal｣ｬ an inline remote and microphone add convenience: take hands-fr