Bluetooth Headphones, Youngway Wireless Bluetooth Stereo Earbuds Sweatproof Running Headset Over-Ear Sports Headphones with Microphone for iPhone7 Android Blue COMFORTABLE and SECURE FIT: With Ergonomic design and silicone ear hooks,J40 Bluetooth Headphones are secure behind your ears and rest comfortably in the ear canal. Premium soft smooth silicone gel surface helps sweat proof. It is great for Gym, Running, Jogging, Hiking, Cycling, and impact Sports. SUPERIOR SOUND and AMAZING VOLUME: With Advanced APTX tech, our in-ear design offers incredible sound quality with deep bass and crystal clear treble, no matter your taste in music. Works great for soundtracks, audio books, relaxing sounds, and even techno music. 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.