1、[Comfortable] Open ear headphone fits gently and firmly in your ear without entering the ear canal, reducing pressure and hearing loss after long term wear, without the ear pain after long wear of earbuds headphones. 2、[Stereo] Open ear headset with composite diaphragm speaker drivers provide pure and balanced sound and clear output for all music with soft sound quality, allowing you to immerse yourself in the wonderful world of music. 3、[Bluetooth 5.3] The headset provides a stable Bluetooth connection with a transmission distance of over 10m, Bluetooth 5.3 provides lossless sound quality, and lower latency for listening to music and playing games. 4、[Improve Travel Safety] With open ear headphone, you can hear your music and surroundings at the same time, whether you're biking, walking, running, exercising or driving, you can always be alert to changes in your environment. 5、[Ergonomic Design] This wireless headset avoids the discomfort caused by wearing earbuds or earhook headphones. The flexible, secure and ergonomic design ensures comfort and safety during hiking, running and other outdoor activities. Item Type: Open Ear BT Headphone Material: ABS BT Version: 5.3 Transmission Distance: ≥10m/32.8ft Battery Capacity: 50mAh Lithium Battery (Included) Charging Time: 60 Minutes Playback Time: 7 Hours Standby Time: 3 Days Charging Interface: Тyре С 1 x Open Ear BT Headphone 1 x Charging Cable