Knob speed change button can adjust the vibration speed Color: White, Gold Size: Approx. 34x32x7cm/ 13.39×12.60×2.76″ Vibration Power: 15-20W Power Supply: AC 220V
Helps posture for back and abs as your workout Size: M, L, XL, XXL Material: polyester fiber
Full Description No need any Battery or External Power N.B. There can be some color variation for camera resolution.
"• Help to keep shape, lose weight • increase your core body temperature • Improve your overall well-being • High-elasticity, better to support waist, double compressing • The high-elastic fabric material, lets you feel comfortable • The waist support is breathable, easy to sweat • Keep the natural line of lumbar vertebra, release the back pain • 4 cartilages support, correct posture, keep your spine aligned and upright at all times • Size: S, M, L, XL, XXl, XXXL, XXXXL "