Bluetooth Headphones, Youngway Wireless Sports Headphones Noise Cancelling Headphones [ Gym / Running / Exercise / Sweatproof ] Wireless Bluetooth Earbuds Headset Earphones for Android and IOS -Green COMFORTABLE and SECURE FIT: The unique design silicon tips remain the earbuds in the ears comfortable even when you are having sports, running, gym, exercise, yoga, bodybuilding, with sweat resistance. SUPERIOR SOUND and AMAZING VOLUME: The latest CSR 4.1 + EDR (fully backward compatible) for longer playing time, standby time, longer distance, better stereo sound and noise cancelling. BLUETOOTH V4.1 and UNIVERSAL CONNECTIVITY: We give you the power of Bluetooth V4.1 technology for seamless syncing to your favorite wireless devices, including iPhone, iPad, Android cell Phones, Windows Phones, and more up to 10 meters 33 feet. PAIR WITH ANY 2 DEVICES: Our earbud can pair with 2 different Bluetooth devices simultaneously, such as an iPhone, iPad, Android phone and other Bluetooth enabled devices. This doubles the possibilities for answering calls and enjoying music with your wireless headphones, without having to reconfigure between use. This is a great convenience for those who use two cell phone (business and personal), without having to switch headsets every time the other one rings. WARRANTY: 12 Month Free Warranty. You can enjoy risk free use or perfect replacements within one year.