Description: Automatic Rebound Technology: Equipped with advanced automatic rebound technology, this abdominal roller incorporates intelligent steel rebound with a built in braking system for exceptionally smooth operation. It also comes with a convenient phone holder and LCD display to accurately record your exercise time, repetitions, calories burned, and more, helping you track your progress and stay motivated. Elbow Support for Enhanced Stability: Featuring an upgraded elbow support design, this abdominal roller offers enhanced stability by reducing lateral movement and preventing arm overcompensation. This allows you to focus entirely on activating your ab and core muscles without the worry of arm fatigue or injury, enabling more precise and effective abdominal training. 2 in 1 Abdominal Exercise and Support: This innovative 2 in 1 abdominal exercise roller is designed to not only effectively target your abdominal muscles but also provide stable support throughout your workout, ensuring a well rounded fitness experience that helps you achieve your desired abdominal definition and overall core strength. Ergonomically Designed: Designed with ergonomics in focus, this abdominal wheel not only tones your abdominal muscles but also engages your back, shoulder, and chest muscles, sculpting your body, burning fat, and aiding in overall weight loss and comprehensive full body workouts. It's the perfect tool to help you achieve a more defined and fit physique. Stable 4 Wheel Design: The widened 4 wheel design of the abdominal roller increases the wheelbase and expands the contact area with the ground, effectively minimizing lateral sway and providing superior stability during your exercises. Additionally, it offers adjustable distance between the grip and elbow support, allowing for personalized comfort and a customized workout experience. Item Name: Abdominal Roller Material: Plastic Battery Capacity: 150mah Voltage: 3.7V Features: LCD Display, Elbow Support, Ergonomically Designed Size Details: Size: 40cm x 44cm x 24cm/15.75" x 17.32" x 9.45" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Abdominal Roller