1. Working voltage: 6V
2. Rated power: 2.5W
3. Charging voltage: 5V
4. Battery capacity: 3.7V 1200mAh
5. Charging time: about 2h
6. Charging interface: USB
7. Packing list: cupping device x1, large and small negative pressure tank x6, connecting catheter x1, USB charging cable x1
8. Size: about 15.5 x 5cm
9. Weight: about 213g

Features:
1. Vacuum pumping design, you can adjust the negative pressure according to your own feelings
2. No open flame, no burns, easy to adjust
3. 4-speed adsorption force adjustable
4. The mouth of the tank is in full contact with the skin, and the suction is strong
5. Lengthened connecting pipe design, available in multiple parts
6. One-key release of the power button, the skin and the instrument can be separated without hurting the skin
7. Pure copper motor, safe and stable, durable