1. Material: silicone, aluminum alloy
2. Cooling method: air cooling
3. Dimensions: 4 x 4 x 2cm
4. Weight: 80g/pair
5. Packing list: foot pad + blister + packaging
6. Card slot design, you can combine the two into one to avoid loss
7. Ergonomic design, healthy perspective
8. Small size, easy to carry