Feature: 1. ELASTIC SUPPORT: This multifunctional compression belt uses high elastic pressure to balance the force on the waist, correct posture and better fit the waist. 2. MASSAGE FUNCTION: The pressure massage belt acts on the waist and abdomen, giving the waist and abdomen comfortable massage experience. 3. 9 GEAR MASSAGE MODE: Massage band with 9 gear massage mode, you can adjust the appropriate gear according to your own needs to correct the pelvis. 4. HOW TO USE: Connect the belt with the controller and then switch on the power supply, long press the controller on key for 2 seconds to start up, and set the required strength gear. 5. SUITABLE PARTS: This breathable compression massage belt is not only suitable for waist massage, but also for back, abdomen, legs, etc. It is a versatile massage tool. Specification: Item Type: Back Brace Material: OK cloth fabric Product Expansion Size: 130 x 25cm / 51.2 x 9.8in (manual measurement, 0-3cm error) Power: 10W Operating Voltage: DC15v/2A Timing: 30 minutes . Package List: 1 x Massage Belt1 x Controller1 x Power Cord1 x Manual Note: 1. This product controller is USB, need to be equipped with a plug to use. 2. Please allow ±0‑3cm error due to manual measurement. Thanks for your understanding.