AIRWALKS Bluetooth Headphones V4.1 Wireless Stereo Headsets In-Ear Earphones Noise Cancelling Earbuds with Microphone for iPhone, Galaxy and iOS Android Smartphones (White-Black) High Definition Stereo Sound: Support APT-X technology and build-in digital noise reduction,built-in HD microphone with CVC6.0 noise cancellation,ensure Hi-Fi stereo music sound and strong signal Fashion Design: Comfortable and secure design fits perfectly to your ear, smart LED indicator ultra light, sweatproof and anti-dropping, perfect for sport Multifunctional Keys: Power on/off, Answer/End/Reject Call or Redial the Last Call, Pause/Play, Vol-/+, Next/Previous Track,super easy to operate Latest Bluetooth 4.1 technology with up to 8 hours talking/playing,240 hours standby ; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices Comes with a Full One-year Warranty and 30 Days Money Back Guarantee.Any Questions, Please Feel Free to Contact the Customer Service