describe:1. LED inflatable heating massage belt: This inflatable belt provides traction to the lumbar spine, widens the intervertebral space, reduces intervertebral disc pressure, eliminates inflammation, improves blood circulation, and relieves muscle spasms.2.2-in-1 Heated Massage: 3 heating levels and 3 vibration massage modes to choose from, you can enjoy both functions at the same time or separately, the combination of heating and vibration can completely relieve and relax muscles and reduce stress.3. Belt to relieve low back pain: multiple air columns, more ergonomic, strong support, correct traction, and solve waist problems.4. Waist traction device: The thoughtful Velcro design can adjust the wearing, angle and tightness, while giving good support to the body without compressing the nerves.5. Easy to use, wide range of applications: equipped with a digital display controller, touch screen button design, temperature and power display panel, you can use the controller to control the temperature and vibration mode, the operation is simple and convenient. The inflatable hand pump is lightweight, portable and easy to use, saving users the trouble of bending down to inflate.Specification:Inflatable size 120*19.5cmDeflated size 118*16.5cmproduct material:External:puInterior: knitted cotton, inflatable polyurethane materialWorking voltage: 5V working currentWorking current: 1580mABattery capacity: 5000mAhCharging current: 1200mA chargingTime: 3HBattery life:Heating (low speed): 110MinHeating (medium speed): 50 minutesHeating (high speed): 50 minutesHeating temperature: 45 degrees-65 degrees-75 degreesProduct charging: USBProduct List:1*inflatable belt*Red light heating pack1*expansion pad1*Inflatable hand pump 1*1*Charging cable1*Instruction manual1*color box