★Ergonomic Comfort-fit: Foldable and adjustable PU leather headband for noise reduction and comfort fit. ★Built in Microphone and Controls: Enjoy a completely hands free listening experience with a built-in microphone for high definition calls; Control your music or answer/end phone calls right from your headset with built-in controls. ★AUX Mode and TF Card: Detachable 1.5 meters cable makes the headphones as normal wired headphones when the internal rechargeable battery is exhausted and TF card let you enjoy your music directly without connecting your devices. ★Excellent Compatibility: Compatible with All Android Phones IOS and Blackberry System Phones. End/answer Phone Calls Pause/play Music Support with Switch of Previous/next Songs.