B4 Wireless In-ear Headphones Neckband Stereo Sports Running Waterproof Bluetooth-compatible Earphones black

Description

Bluetooth-compatible 5.0, 10MM stereo driver unit. The standby time is about 48 hours, and the battery capacity is 130MAH. In-ear use, TPE hanging around the neck, metal shell for ears, volume adjustment. Hands-free answer/end calls, fast cut/pause/play. The wireless transmission distance is about 10 meters, and the music time is about 8 hours; Due to screen and other objective reasons, there may be a certain color difference, please understand.