Feature: Mini size, portable to use.Improve your sleep. USB charging and 6 modes safe. Host diameter of only 5.7cm, thickness of only 1.8cm. Mini-compact can be carried around, travel, travel, home, so that massage becomes easier. Specification: Product name: Electromagnetic Wave Massager Applicable parts: waist, buttocks, legs, back Single product package size: 15 x 7 x 2.3 cm or 5.91 x 2.76 x 0.91 inch Host size: 5.7 x 1.8cm or 2.24 x 0.71 inch Rechargeable model single product with packaging net weight: 65g Massage technique: patting, percussion Power mode: rechargeable (USB interface) Massage Modes: Acupuncture massage, scraping massage, kneading massage, massage, acupressure massage, elbow pressure massage Massage intensity: 6 levels, can be adjusted according to their comfort TENS microelectric pulse massage: through the bionic microcurrent pulse mode massage techniques to relieve muscle discomfort. Continuous, gentle stimulation of neuromuscular and cellular, activating muscle fire to achieve a soothing effect.