Dioche Wrist Ball Smart Display Wrist Trainer Ball - Enhanced Grip Forearm Strengthener for Arm, Finger, Chest & Back Muscles - Blue

Specifications: Item Type: Wrist Trainer Ball Material: ABS Battery Quantity: 2Pcs (Ship with Built in Battery) Single Battery Capacity: 65mAh Voltage Parameter How to Use Package List 1 x Wrist Strengthener Ball 1 x Instruction Manual

• wrist ball Smart Display: The wrist trainer ball allows for real-time monitoring of exercise duration, speed, and precise strength. It features summary, time, and power modes for a diversified workout experience, ensuring you track your progress effectively.
• wrist ball Versatile Use: The wrist strengthener ball is perfect for enhancing arm strength, wrist power, and developing chest and back muscles, making it an ideal choice for both home and office workouts. Its adaptability caters to various fitness needs.
• wrist ball Accurate Sensing: Employing advanced speed sensing technology, the forearm trainer ball accurately records exercise duration and changes in strength, facilitating a scientific approach to training intensity and allowing you to customize your regimen.
• wrist ball Unique Design: The wrist exercise ball utilizes the principle of centrifugal force; the faster the speed, the higher the required opposing force. This innovative design helps build strength progressively and effectively, making workouts challenging.
• wrist ball Ergonomic Design: The curved handle of this muscle strengthener ball is designed to fit the wrist's natural curve, ensuring a secure grip even during high-intensity workouts. This design promotes safety and comfort as you build strength.