Enhance your wrist and forearm strength training with this advanced Wrist Trainer Ball, designed to provide real-time monitoring and a scientifically guided workout experience. Crafted from durable ABS material and equipped with built-in batteries, this wrist exercise ball combines innovative technology with ergonomic design to deliver effective and comfortable muscle strengthening. Key Features: · Smart Display & Monitoring: Equipped with an intelligent display system, this wrist ball tracks exercise duration, speed, and precise strength levels. Multiple modes including summary, time, and power offer a diversified and customizable workout experience. · Versatile Strength Training: Ideal for enhancing wrist power, arm strength, as well as chest and back muscles, making it suitable for use at home, office, or on the go. · Unique Centrifugal Force Mechanism: Operates on centrifugal force principles where increased speed demands greater opposing force, enabling progressive strength building tailored to your effort. · Advanced Speed Sensing Technology: Accurately records the duration and intensity of each session, allowing you to scientifically plan and adjust your training intensity for optimal results. · Ergonomic Curved Handle: Designed to fit the natural curve of the wrist, the handle ensures a secure grip even during high-intensity vibrations, maximizing safety and comfort throughout your workout. Specifications: · Item Type: Wrist Trainer Ball · Material: ABS · Battery Quantity: 2 pcs (built-in) · Single Battery Capacity: 65mAh Package Includes: · 1 x Wrist Trainer Ball This Wrist Trainer Ball is a perfect tool for anyone looking to improve wrist and forearm strength with precise feedback and comfortable handling. Its smart technology and durable construction make it an essential accessory for effective muscle training and rehabilitation.