1、Dual Function Design: Abdominal wheel with comfortable elbow pads combines the advantages of plank support and elbow support, making it easier to engage in effective abdominal workouts. 2、Automatic Rebound: The built in spring assists in rebounding, while the intelligent brake system ensures controlled movement and protects muscles from injury. 3、Adjustable Hand Grips: Hand grip width is designed with 3 gears can be easily adjusted to accommodate different hand sizes, providing a comfortable and secure grip during workouts. 4、LCD Display: High definition LCD screen displays counts, calories burned, and workout time. The built in rechargeable battery provides convenience for extended use. 5、Enhanced Stability: Widened wheel base and multiple angle slides target various muscle groups, such as waist, bust and so on, providing a challenging and effective workout. 6、Wider Wheelbase: The contact area with the ground increased to 10cm, effectively reducing the left and right direction swaying, suitable for beginners. Item Type: Automatic Rebound Abdominal Wheel Material: ABS, rubber, foam, PP, electronic components Battery: Lithium battery 1000mAh (built in) Functional Characteristics: Automatic rebound, brake Functional Use: Fitness, abdominal, chest expansion, etc. Applicable People: Sports enthusiasts, fitness crowd How to use LCD display function: The on/off key is a touch button, long press the on/off key for 1 second to turn on/off, the single on/off key can switch 3 modes (times/calories/time). The length of the steel tube can be adjusted in 3 steps, the width of the hand rest can be adjusted in 3 steps, the maximum adjustable 3 centimeters. Counting function: Elbow support abdominal fitness wheel forward push, back to reset for a valid count. Installation steps: 1. Insert the crossbar into the machine; 2. Insert the elbow pads on each side into the crossbar to snap into the marbles; 3. Insert the armrests into the elbow pads into the marbles, and the marble holes can be adjusted for the length of the armrests; 4. Installation is complete.​ 1 x Automatic Rebound Abdominal Wheel 1 x Armrest Bar 2 x Elbow Pads 2 x EVA Elbow Pads 1 x Crossbar 1 x Kneeling Pad