1. Includes a key ring for easy carrying
2. Widely applicable, can be hung on a backpack or keys
3. Metal snap closure, convenient and practical
4. Does not affect positioning
5. 360 degree protection to protect earphones from damage
6. Size: Earphone case: about 7.5 × 11 × 2.5 cm; leather case: about 4.3 × 7.5 cm
7. Total weight: about 30 g
8. Note: only the protective case, no others