Model: O300
Color: Black, White
Bluetooth: V5.3
Chips: Airohia AB1562M
Battery Capacity: 400mAh/charging case, 50mAh for solo earbuds
USB C charging port, Charging time 1.5H
Working Time 5h/phone call, 8h for music play
Standby time: 12 month
Net weight: 7.5g±0.2g for solo earbud, 52.6g for charging case
Earbuds size 16.10mm*41.51mm*49.60mm
Charing case size 66.71mm*66.28mm*28.97mm