Lenovo X4 Bone Conduction Bluetooth Headphone Sports Earphone Waterproof Wireless Headset with Mic
Bluetooth version : V5.0
Using time : About 7 hours
Bluetooth distance : About 10 meters
Earphone capacity : 150 mAh
Due to the shooting angle and light, there may be slight chromatic aberration between the actual object and the photo. Thank you for your understanding.