Features: 1. Inflatable belt with controller, inflatable traction + fixed support + red light heating + multi-effect vibration massage in one, take care of your lumbar spine in many ways. 2. This inflatable belt exerts traction on the lumbar spine, expands the intervertebral space, reduces disc pressure, eliminates inflammation, promotes blood circulation and relieves muscle spas. 3. Red light heating function: 3 adjustable temperature levels, intelligent temperature control, to meet the needs of different environments, effectively protect the waist, relieve chronic lower back pain, and relieve pain caused by spondylosis. 4. Vibration massage function: 3-speed vibration massage is adjustable, simulates real massage, relieves and relaxes muscles, and reduces muscle pressure. 5. With a dedicated air pump, it is lightweight and portable, easy to use, better inflated and faster. 6. USB charging design, built-in 5000mAh high-capacity rechargeable lithium-ion battery, allowing you to use it anytime, anywhere. 7. Equipped with a digital display controller, the panel displays temperature and power, you can use the controller to control the temperature and vibration mode, and the operation is simple and convenient. Specifications: Product material: External: pu Inner: knitted cotton, tpu inflatable material Working voltage: 5V Working current: 1580mA Battery capacity: 5000mAh Charging current: 1200mA Charging time: 3H< /p> Battery Life: Heating (Low Speed): 110Min Heating (Mid-Range): 50Min Heating (High) quality): 50Min Product net weight: 745g Inflatable size: 120*19.5cm Deflated size: 118*16.5cm < p>Package size: 26.7*20.2*8.5cm