Bluetooth Headphones V4.1 Wireless Sport Stereo In-Ear Noise Cancelling Sweatproof Headset with A2DP/Mic for Android Phones The Bluetooth headphones feature Bluetooth 4.1 + A2DP, AVRCP audio decode technology, giving these wireless earbuds unparalleled stereo sound quality. 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! Comfortable and secure design fits perfectly to your ear; the cable smartly stays out of your way when running, jogging or exercising Longer listening with our Bluetooth headset, running & workouts can go for longer to the beat! The polymer 80mAh battery in the Bluetooth headphones wireless device provides 5 hours of talk & playing time & 170 hours of standby time. Much more than other sports headphones! Nothing to hold you back our wireless headphones pair with devices up to 10 meters away, and the Bluetooth headset has mic functionality, so you don't have to stop working out to answer calls! The running headphones are even sweatproof, so you won't have to worry about wearing them when you're giving a strenuous workout your all 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 7, iPad, iPod & Samsung Galaxy S7