The Smart Negative Pressure Cupping Massager Instrument combines traditional cupping therapy with smart negative pressure technology for convenient at-home wellness and massage. It provides controlled suction designed to help relax stiff muscles, ease muscle soreness, support circulation, and promote relaxation.Features: Smart Negative Pressure Technology Provides consistent suction for convenient cupping massage. Muscle Relaxation Helps relax stiff muscles and reduce feelings of body fatigue. Wellness Support Designed to stimulate acupoints and support overall wellness. Portable & Lightweight Compact design makes it easy to carry and use. Rechargeable Design USB charging provides convenient everyday operation. Easy to Use Intelligent controls and user-friendly operation make it convenient for home use.Product Information:Product Name: Intelligent Negative Pressure Cupping Massage InstrumentCategory: Cupping Massage & Wellness DeviceRated Power: 10WInput Voltage: DC 4.2VWorking Voltage: DC 3.7VTechnology: Intelligent Negative Pressure SuctionPower: Rechargeable / USB ChargingUsage: Home Wellness & Massage