WiWU Transparent Wireless Bluetooth Earbuds(3 colors available)

Bluetooth: V5.3, Chips AD6973D4
Battery: 300mAh for charging case, 30mAh for earbud
Charging time 2 hours
Working Time: 3.5H for phone call, 4h for music play; Standby time 180 H
Semi-in ear design, HIFI music, ENC earbuds