Gyroscopic Power Wrist Ball

Gyroscopic Power Wrist Ball, your compact gym-on-the-go! This self-starting gyro ball efficiently strengthens arm and hand muscles with its LED display for real-time tracking. Portable and battery-free, it's your ultimate exercise companion.

Short features:

1. Self-starting gyroscopic technology
2. LED display for real-time tracking
3. Compact and portable design
4. Efficient arm and hand muscle strengthening
5. Battery-free operation