Electric Massage Peanut Ball Vibrating USB Rechargeable Sport Yoga Foam Roller Muscle Relaxation Small Product Name: Electric Yoga Ball Color: , blue Battery: 3C power battery Material: Silicone + ABS Massage intensity: 4 levels Applicable parts: neck, waist, buttocks, legs, back, feet Massage contacts: 2 Function: vibration massage, sports body shaping Cleaning method: wipe with damp cloth Power supply mode: USB Control method: mechanical Massage techniques: tapping, massage, acupressure, tapping, kneading Specifications: Strong amplitude can quickly relax the body, driving the press around to relax. Food grade silica gel, wear-resistant and elastic surface, comfortable body feeling, no peculiar smell. Surface concave convex texture design makes the body feel more comfortable and accurate; Acupoint pressing can get twice the result with half the effort. Beautify the leg curve, reshape self-confidence legs. 3C power battery provides lasting power for endurance. Package Included: Yoga ball*1 Notes: Due to manual measurement, there may be an error of 1-2cm, please understand. Due to different monitor settings, the color deviation may be different. We provide you with the best products and services. If you have any questions, please let us know and we will solve them as soon as possible. thank you very much.