Bluetooth Earphones, Bessmate Bluetooth V4.1 Wireless Sweatproof Sport Stereo Headphones Earbuds Headsets with In-Ear Noise Cancelling Mic for iPhone 7/7 Plus, iPad and Android Devices-Black (Black) New Bluetooth Technology: Latest Bluetooth 4.1 technology which is easy to be connected and will be effective within 32.8 ft High Quality Stereo Sound: HD Voice and aptX technologies provide clear HD sound and noise reduction & echo cancellation enable for clear communication and audio playback Longer Using Time: With 150 hours standby time, 4 hours for music and 5 hours for talking, you can enjoy music or taking at anywhere/anytime Sweat-proof: No need to worry about the headphone will be out of use any more if it is moist when doing sport Perfect Fit: Special design makes stay stable in your ear and unique neck-strap for easy-carrying