Product information:

Rated power: 4W

Rated voltage: 5V

Battery capacity: 500mAh 2pcs

Use time: 30 minutes - 50 minutes

Charging time: 4H (USB charging)

Material: ABS + electronic equipment

Product weight: 250g (net)

USB white:

Rated voltage: DV5V
Rated power: 4W
Battery capacity: 500 mAh