Atill Wireless Bluetooth Headphones V4.1 Sport Stereo In-Ear Headsets, Noise Cancelling Sweatproof Earphones Earbuds with Mic for iPhone 6s, 6, 5s, 5c, 5, Android Phones and Bluetooth-enabled Tablets Newest Version: With latest Bluetooth 4.1 and APT-X+EDR audio decode tech equipped, the signal of headphone is strengthened and Bluetooth working range ups to 33ft, allowing you the freedom from cords and greater flexibility of phone placement proximity. High Quality Guarantee: Noise cancellation makes you enjoy a clear sound in noisy environment. Powerful rechargeable battery provides 5 hours of Talking/Playing time. The running headphones are even sweatproof, so you won't have to worry about wearing them when you're doing an extreme workout. Connect with 2 Bluetooth Devices Simultaneously: Our Bluetooth headphones can pair with 2 different Bluetooth devices with IOS or Android system at a time. This is a great convenience for those who use two cell phones, without switch the headsets. Connect 2 Devices Simultaneously: Our headphones can pair with 2 different Bluetooth devices with IOS or Android system at one time. This is a great convenience for those who use two cell phones, without switch the headsets. Warranty: 12 Month Free Warranty. You can enjoy risk free use or perfect replacements within one year.