1. Brand New, high quality;
2. Pocket design for portability;
3. Anti-shock& anti-drop, user-friendly design;
4. Super mini size and light weight, not easily to be seen;
5. Reduce noice, provides good sound quality;
6. Durable and reliable for long time use;
7. Silicone earplugs in 4 sizes: fit most ears;
8. Adjust volume to the minimum before wearing;
9. Increase volume gradually to avoid sudden increase in sound.