Joinpital ABS Stimulator Workout Equipment, Ab Machine USB Rechargeable Gear for Abdomen/Arm/Leg, Strength Training Equipment for Men and Women

Customers find the ab machine effective at working abs and arms, with easy-to-read instructions and intuitive controls. They appreciate its comfort, with one customer noting they can feel their abs working, and its build quality, noting it’s more substantial than expected. The device offers versatile intensity settings with different modes and strengths, and customers report it lasts longer than expected and is worth the price. They consider it an excellent addition to workouts, helping tone muscles and relieve back pain.