Hyundai Bluetooth Headphones Bluetooth 5.2 Open Ear Air Conduction Headphones Wireless Earphones with Built-in Mic Flexible and Lightweight Waterproof Sport Headset for Running, Cycling, Hiking, Driving The open-ear headset is equipped with a Bluetooth 5.2 chip, the connection is more stable, there is no delay in music, games, calls, or movies, and the distance is up to 33 feet, suitable for indoor and outdoor sports use, providing you with hands-free calls and extremely best music experience The Open-Ear headphones deliver premium audio through the cheekbones, resulting in high sound fidelity and clarity, giving you a wonderful music experience. The open-ear design allows you to enjoy music without missing the sound of your surroundings avoiding potential dangers. This headset has one button, you can easily use it to play/pause, or adjust the next song, or answer the call and can also be used to activate Siri voice Assistant, very convenient Titanium alloy steel wire material, which can be adapted to different head shapes. Even if it is twisted and folded at will, it will not be deformed. When not in use, it can be placed on the desk or hung on the neck for easy portability and storage Built-in 75mAh rechargeable battery, charging time: about 1-2 hours, music can be played for 10 hours, standby time: more than 75 hours. Perfect for all-day work, outdoor sports and indoor play. The headset has a battery indicator light reminder function. When the remaining power is insufficient, please use the included USB cable to charge the headset