1. Lightweight and compact, you can wear it anywhere
2. The shell is made of metal material, with high-strength steel wire
3. It can be stretched when used, automatically rebound, anti-lost and anti-theft
4. Easy to use, insert the buckle into the belt to hold it firmly, not easy to fall
5. Weight: 31g
6. Size: 7.5x4x1.2cm, the steel wire can be stretched to 60cm