Open Ear Outdoor Sport Headphones Bone Conduction Wireless Bluetooth 5.1 Headset

Bone Conduction Headphones Bluetooth-compatible Wireless Waterproof Comfortable Wear Open Ear Hook Light Weight Sports Earphones Description: Open wireless headphones surround the directional sound field, open design, perspiration and waterproof, small body life. Surrounding directional sound field The speaker adopts physical ecological membrane technology. 150mah battery, Bluetooth 5.1 chip, lower power consumption, stronger battery life, IPX6 life waterproof. It adopts a beautiful energy-gathering cabin design and a built-in large-capacity lithium battery to escort your headset. Wear comfortably without ear clips, protect ears from damage. The headset is only 20g, light and portable. Specifications: Bluetooth version: BT5.1 Battery capacity: 150 mAh Product weight: 20g Frequency response range: 40HZ-20KHZ Communication distance: about 10 meters Support protocol: HSP/HFP/A2DP/HVRCP/SPP Function control: button control Life time: 8 hours Charging time: 2 hours Sensitivity: 160 DB SP