I am selling this item because I opened it after purchase but never used it. (Purchased for approximately 17,000 yen) Although it is in beautiful condition, please consider purchasing only if you understand that it has been in someone's possession. Instant purchase is OK. [Product Details] The seat automatically rotates with 3 programs, enabling twisting exercises for the waist. It is versatile, from core training to pinpoint exercises. Twisting exercise on a chair. Easy exercise just by sitting "Amy Hoop Twister" allows you to easily do aerobic exercise at home anytime. Just by sitting on it during your free time, you can tighten your waist and train your core. Let's eliminate lack of exercise and aim for your ideal body shape by continuing to use it every day. Pinpoint approach to areas of concern Just by sitting for 10 minutes at a time while maintaining your balance, you can naturally target your muscles. By moving your waist like a hula hoop, you can aim for a supple body line. It is also ideal for pinpoint training of areas of concern, such as calves and ankles. Safe for beginners with automatic programs Easy operation, just sit and choose a course, and anyone can easily challenge the exercise. This versatile machine can handle everything from "while-doing" exercises to full-fledged core training and tightening. From beginners to advanced users, it stimulates the muscles of the waist and back with an intensity that suits each person. 3 automatic programs and manual mode Three types of automatic programs are available, from light exercise to full-fledged exercise. The speed, number of rotations, and direction change automatically, so you can train just by riding it. You can also manually adjust the speed and direction. SPEC Product Name: Amy Hoop Twister Model Number: AIM-FN077 External Dimensions: Approximately W41.9 × D41.9 × H10.1cm Weight: Approximately 4.55kg (excluding AC adapter) Material: Main body: ABS, Seat: TPR Set Contents: Main body, dedicated AC adapter, instruction manual