About This

Auto-Start High-Speed Power: The wrist ball features a 2026 auto-start engine—no strings or batteries needed. Simply flick to activate the ball, reaching up to 20,000 RPM for intense wrist, forearm, and grip training.
LCD Speed Counter for Progress Tracking: Built-in LCD display tracks real-time revolutions and speed. This wrist ball hand exerciser helps you monitor strength gains, set goals, and push harder with every spin—perfect for athletes and rehab users.
5-Level Adjustable Torque Resistance: Easily adjust resistance from light rehab to heavy strength mode. This torque ball hand exerciser generates powerful centrifugal force to train fingers, wrists, forearms, biceps, and shoulders in one compact workout.
Non-Slip Sweat-Resistant Grip: Textured silicone shell ensures a secure grip, even with sweaty hands. The ergonomic design keeps the wrist ball exerciser stable during high-speed spins for safer, more effective training anywhere.
Ultra-Portable & Silent Training Tool: Smaller than a baseball and whisper-quiet, this torque ball fits in your pocket for workouts at home, the office, or on the go. No charging, cords, or apps—just instant strength training anytime.