Features: 1. Set negative pressure cupping, scraping, massage three functions in one, through intelligent detection of tank pressure, real-time regulation of vacuum negative pressure, dynamic breathing cupping. 2. It can effectively dredge channels and collaterals, promote blood circulation, stimulate acupoints, relieve fatigue, relieve pain, dispel cold and dehumidify, improve immunity and relax muscles. 3. 6 Negative pressure grade, strong suction, stable, no flame; 6 grade red light heating, deep massage, relax the body, eliminate fatigue. 4. Automatically start 20 minutes countdown when starting up, avoid excessive scraping and cupping cause unnecessary damage to the body. 5. Button can adjust suction strength and heating device, suspend cupping adsorption function, release pressure, easy to use. Specifications: Material: ABS Color: Red / Black / Blue(Optional) Built-in Battery: 3.7V 1800mAh Lithium Battery Package Size: 17.8 * 13.3 * 8.6cm / 7 * 5.23 * 3.38in Package Weight: 322g / 11.35oz Note:? Please read the product manual carefully before use. No pressure relief function, the pressure relief key is the pause function. Package List: 1 * Device 1 * USB Cable 1 * Manual ?