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 × 11.5 × 1 cm; leather case: about 4.6 × 7 cm
7. Total weight: about 36 g
8. Note: only the protective case, no others