Portable Sit-up Machine premiumsportinggoodsge This device can be used

This device can be used multiple times per day

Use: Exercise Triceps

You can select different modes and intensities respectively to meet your desired muscle training effect

or plug outlet

Portable Sit-up Machine premiumsportinggoodsge This device can be usedThis is a sit up assistant device designed for fitness and muscle training. Exercise every part of your body to help you build perfect abdominal muscle and a strong body. It can be used at home or in the office to shape your body, especially for those who don't have time to work out in the gym. This is a very ideal portable exercise tool that saves time and money. Two speed adjustment to meet different needs, and the height can be adjusted according