Mini Portable Massage Stick Fascia Instrument, Specification: Shark Gray (Handbag)

1. Material: ABS
2. Size: Submarine: about 14x16cm, chubby girl: 14x14cm, shark: 14x16.5cm
3. Weight: submarine: 500g, chubby girl: about 500g, shark: 455g
4. Battery capacity: submarine:2200mah, chubby girl: 1800mah, shark: 2200mah
5. Power supply mode: USB
6. Features: lightweight and portable, smart power off, long-lasting battery life, low noise and mute
7. Life time: about 100 minutes
8. Charging time: about 4 hours
9. Input voltage: 5v
10. Output voltage: 7.4v
11. Output power: 25w