The SPT-AN-209 Air Belt Beauty Massager will relieve your tired back and strained muscles with its unique pressurized air belt. Simply wrap it around your waist and let the massaging power strengthen and reduce your waistline. The SPT-AN-209 Air Belt Beauty Massager features a dual massage system, 3 levels of pressure intensity, 3 levels of intermittent vibration massage, automatic power break. It can be used with home AC adapter or car charger. The massager has microchip technology and is applicable to the following conditions: obesity, sore waist, lack of exercise, stressed, fatigue, etc. The dimensions of the SPT-AN-209 Air Belt Beauty Massager are 14.7 x 5.5 x 1.4 in.