Capacity

•  300 mAh (1)
•  400 mAh (1)

Interface

•  Bluetooth 4.x (1)
•  Bluetooth 5.x (4)
•  Qi (2)
•  USB (5)

Weight

• 0.15 kg - 0.25 kg

Minimum order quantity

•  from 25 pieces (1)
•  from 50 pieces (2)