Open wireless headphones surround the directional sound field, open design, are sweatproof and waterproof, have small body life Wear comfortably without ear clips, and protect ears from damage Surrounding directional sound field The speaker adopts physical ecological diaphragm technology Light and wearable 150mah battery life, Bluetooth 5.1 chip, lower power consumption,  battery life, IPX5 life waterproof 5.1 Low power consumption is the core technology of the headset. It adopts an exquisite energy-gathering cabin design and a built-in large-capacity lithium battery to escort your headset.