Bluetooth 4.1 Headphones Wireless In Ear Sports Earphones Tweets Tech Sweat-Proof Noise Cancellation Multi-point Pairing HEAR MUSIC LIKE YOU NEVER HAVE BEFORE Our Bluetooth headphones feature Bluetooth 4.1 + EDR APT-X audio decode technology, giving these wireless earbuds unparalleled stereo sound quality. CVC 6.0 Digital noise reduction technology, intelligently filter ambient noise, enable clearer sound during calls and while listening to music; You've truly never heard music sound so good from sport headphones! 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. SO EASY TO USE The volume, sound, song selection and telephone controls are all right on the wireless Bluetooth earbuds, making these the most convenient Bluetooth earbuds for running, sports, lifting weights & more! For All Bluetooth Devices Including iPhone 6, iPad, iPod & Samsung Galaxy S6 HOURS OF LISTENING TIME and VOICE PROMPT: Tweets Tech Bluetooth Headset can deliver up to 7 hours of play time on a full charge. Voice prompt allows notification of incoming calls and phone numbers, so never miss a phone call. MUSIC & CALLS CONTROL: Wireless Bluetooth Earphones allow auto switching between music and calls. You can control all functions of music and calls easily via the buttons of Bluetooth headset. Built-in microphone enables taking hands-free calls while listening to music.