Instant purchase is OK. Operation confirmed. [Contents] Tokyu Sports Oasis TOKYU SPORTS OASIS STB-100 Shape Twin Ball Red ★ Condition ★ Operation has been confirmed. There are no noticeable scratches or stains, and it is in very clean condition. Please judge the condition from the images. If you have any questions, please ask in the comments. [Smoking/Pets] No smokers or pets. ★ Confirmation Items ★ ・Power on confirmation ◎ ・Operation confirmation ◎ ★ Packing and Shipping ★ We will take measures to prevent dents with bubble wrap and ship in a cardboard box or paper bag depending on the shape of the product. [Product Details] From the official website ●Size (approx.) / Diameter 9 x Length 19cm ●Weight (approx.) / Main unit: 810g ●Material / Main unit: ABS resin, silicone rubber ●Batteries used / Lithium battery x 1 ●Charging time (approx.) / 3.5 hours ●Continuous usage time (approx.) / Automatically stops in 15 minutes (Operating time: 2 hours (vibration level 5, room temperature 23°C) By stretching while applying it to areas of concern, you can expect myofascial release to improve flexibility, and this single machine can support 20 types of stretches, aiming for style improvement. By standing with your legs closed, the adductor muscles are stimulated and the pelvis stands up, and by vibrating in that state, the muscles that maintain the balance around the pelvis (pelvic floor muscles) and the abdominal area (transverse abdominal muscles) are stimulated, leading to an ideal balance.