Features: Wireless BT 5.0 brings high data transfer speed, stable connection, and low power consumption, delivering high-fidelity music. With magnetic suction function, you can easily wear the headphone on the neck when not in use, won\'t fall. Soft neck hanging design, lightweight and flexible, can be bent to any shape, easy to store and comfortable to wear. 2000mAh rechargeable battery gives it a standby time of 2000 hours and music playing time for about 150 hours. With buttons, easy to control playing/pausing, adjusting the volume, previous/next songs, answering/ending calls. Built-in microphone enables hands-free calls to set free your hands when doing sports.