real capacity 30mAh/300mAh
Bluetooth Standard Bluetooth v5.1
case material ABS
Working time 2.5-3hours
Standby time 20days
product size 76*41*76mm
net weight 97g
color 1.Baiwei Beer  2.Football  3.Christmas 4.Qingdao  5.Orange 6.blue & white porcelain  7.coca-cola(can custom your design)

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