BS-H4 Aura · Over-Ear Bluetooth Headphones | BLUESEED
JieLi 6955F Bluetooth 5.4, 10-meter obstacle-free transmission, 40mm speaker. 3.7V/400mAh protected battery, 20-hour playtime, 5-8 minutes auto power-off. Supports volume/song control, call control, FM/Bluetooth, English broadcast, voice and battery prompts. Net weight 190g.

BS-H4 Aura · Over-Ear Bluetooth Headphones
Bluetooth version: JieLi 6955F V5.4 Transmission distance: 10 meters (obstacle-free) Speaker diameter: 40mm Usage time: 20 hours Standby time: 5-8 minutes auto power-off Polymer battery: 3.7V/400mAh lithium battery with protection board Functions: Adjust volume, switch songs, answer calls, reject calls, hang up, Bluetooth playback, redial, Bluetooth reconnection, voice prompts, battery display, FM radio and pure English broadcast Bare weight: 190g