Professional Electric Fitness Roller Muscle Relaxation Comfortable Back Muscle Massage Roller (

Feature： 1. 5 Gears vibration speed, strong power, the greater the speed, the greater the strength of the vibration, the stronger the muscle massage. 2. Different gears of massage experience, stable and continuous, effectively beautify the legs. 3. Panel layout design is simple and easy to operate, allowing you to have a better massage experience. 4. High density lithium battery pack is stable and durable. In high frequency mode of vibrating roller, it can be used for more than 2 hours after each charge. 5. Environmentally friendly PU material, food grade environmentally friendly, free of chemical additives and harmful substances. Specification： Item Type： Electric Fitness Roller Material： PU Power Supply Mode： Lithium battery Battery Capacity： 2000mAh (Included) Use Object： Sports fitness, daily massage Vibration frequency： 3000backminute 3400backminute ③3800backminute ④4200backminute ⑤5000backminute. Package List： 1 x Fitness Roller1 x USB Cable1 x English Manual1 x Storage Bag