I received this as a company prize, but I have never used it. However, the outer box has scratches as shown in the photo because it was packed and sent from my parents' house. Please understand this. ● Color: Orange ● Body size: (approx.) Depth 173mm x Width 449mm x Height 149mm ● Weight: (approx.) Main unit 1,250g (including remote control and cover) ● Charging USB cord length: 1.0m ● Materials: Main unit: Urethane, iron plate, EPE / Cover: Polyester, PVC, conductive pu sheet / Remote control: ABS resin ● Power supply: Rechargeable (Lithium polymer battery 3.7V 400mAH) ● Charging time: Approximately 2.5 hours (when charging with a DC5V, 1A adapter) ● Main unit suitable voltage: DC5V ● Operating time: Approximately 4 hours or more (level 5, room temperature 25 degrees) ● EMS output frequency: 2Hz, 4Hz, 8Hz, 12Hz, 20Hz ● Weight capacity: 100kg ● Recommended operating environment temperature: 10 degrees to 40 degrees ● Set contents/Accessories: Charging USB cord, atomizer, instruction manual (with 1-year warranty) ● Made in China ● Manufacturer: Sports Oasis ● Featured product on the Fuji TV program "Non-Stop!" mail order corner "Iimono Premium" ※ Those who use medical electronic devices such as pacemakers, those with blood circulation disorders, thrombosis, etc., and those with osteoporosis cannot use this product. ※ Those who are pregnant, have back pain, or have other underlying medical conditions may not be able to use this product. An exercise cushion developed by the major fitness club "Sports Oasis." Just lie on it, and it will tighten your abdomen! If your back is rounded in daily life, your abdominal muscles tend to contract. Poor posture not only makes your stomach look bigger, but also reduces exercise efficiency. With this, you can stretch your abdomen properly just by lying on the cushion, so you can aim for tightening and improved exercise efficiency at the same time! This product focuses on the fact that stretching muscles allows them to contract more. It approaches tightening in a way that is unique to fitness clubs! Moreover, it's very easy because the cushion exercises for you while you're lying down. The four electrodes are designed to touch the sides of the abdomen and the back. The back is the spinal erector muscle, which is necessary for maintaining posture. If your posture is bad, and your stomach becomes flabby... To prevent this, it is important to train your back to maintain a slim abdomen.