Frequently bought together:
Description
1. Self-starting device without any power supply
2. Pure mechanical design, no electromagnetic radiation
3. The non-slip rubber sleeve design is more comfortable when you hold the wrist ball
4. Metal ball heart, cool colorful light design (only LED model)
5. The ball core is made of zinc alloy, the weight is moderate and does not hurt your hands
6. Shell material: polycarbonate, silicone
7. Dimensions: 70 x 70 x 55 mm
8. Weight: 270 grams