Suggested Retail Price: ¥3998 Brand: AlpinexFit Color: White Material: Plastic Motor Horsepower: None Number of Batteries: Non-standard battery (included) Manufacturer: AlpinexFit 【Product Details】Width 16CM x Height 19CM, with a ball diameter of 7.5CM. Compact and lightweight, making it convenient to carry and use. Comes with a digital counter. 【Easy Operation】Recommended as a diet tool, no assembly required. Designed based on the centrifugal force principle of a hula hoop. Simply shake it lightly to smoothly activate the rotating mechanism. The built-in ring-shaped rotating track and suspended weight ball rotate quietly and smoothly in all 360° directions, and the high-sensitivity design makes it easy to generate strong centrifugal force. 【Arm Slimming Function】This product is very suitable for those who work long hours in an office, lack exercise, or have body concerns. This forearm training device effectively trains the muscles around the shoulders and arms, tightening the upper arms and forearms, improving auxiliary breasts, and even supporting bust enhancement. It can also be effective in relieving discomfort in the shoulders and neck caused by a forward-leaning posture. With continued use, aim for beautiful posture and balanced, slender arms, and easily achieve "swan arms" in your daily life. 【Arm Slimming: Simple and Effective】Operation is very easy, and using it for just a few minutes a day can firmly stimulate the muscles of the shoulders, arms, and forearms. It is recommended to use it for 2-3 sets a day, 3-5 minutes per set. For women who want to improve auxiliary breasts, it is recommended to use it 3-4 times a week, 3-5 minutes per session. At the same time, combining it with continuous stretching exercises and dietary management can effectively achieve beautiful lines and an ideal body shape. The forearm training device is wrapped in a beautiful package, making it very suitable as a gift for fitness-loving friends or loved ones on specific holidays or birthdays. Shipping is planned as a Takkyubin size 60, but this may be subject to change.