Capacity

•  300 mAh (1)
•  400 mAh (1)

Speaker

•  up to 2 W (1)
•  up to 3 W (2)

Interface

•  Bluetooth 4.x (2)
•  Bluetooth 5.x (4)
•  Qi (2)
•  USB (6)

Weight

• 0.15 kg - 0.25 kg