Airsspu Bluetooth Headphones+Lightweight Wireless Stereo Sports/running & Gym/exercise +Sweatproof Headsets In-ear Earbuds Earphones With Microphone (Black) The bluetooth headphones defines elegance and functionality, and are equipped with bluetooth 4.0 version provides high-fidelity stereo music+CVC 6.0 intelligent noise cancelling Pure Sound In-ear --- With functional user interface, ergonomic earbuds design, sweat-proof, and a 10-meter working distance, our bluetooth headphones offering hours of pure enjoyment through a variety of activities Universal Device Compatibility --- headphones are compatible with most bluetooth-enabled devices & apps Simple-to-use --- Control all functions of music (volume, sound, song selection) and calls the last dial number from phone on the headphones directly. Up to 6 hours of talk / playing time and 180 hours standby time The bluetooth headphones offering hours of pure enjoyment through a variety of activities