Yunmai YMGB-Z701 is a rotating wrist ball. Use it daily to strengthen your hand, relax, calm your mind and concentrate on its rotation. It works with centrifugal force that you feel in your hand as it spins faster and faster. Just push with your fingers in the direction of the arrows until you find resistance. Let go and it will start spinning and flashing lights. Hold it firmly in the palm of your hand and start training.
Features:
- Daily use
- Use with both hands
- Dimensions: 70x70x55mm
- No batteries, no power supply
- Material: polycarbonate, zinc alloy
- Non-slip surface around the handle