Acupuncture Back Massager Posture Relief Spine

You can use it anywhere, even on your bed! It’s really comfortable! It’s almost new, only used once! I don’t need it because I have an upgraded version. Material: ABS Gear: 3 gears Power supply method: No need Applicable parts: waist, hips, back Color: blue black! Function: correcting spine, improving hunchback / waist acid