1. Material: Silicone 2. 1.8mm thickness, light and thin to protect the machine, restore the touch of bare metal. 3. Anti-shock and anti-drop, durable. 4. Washable, the color is the same as before, giving you a new life experience. 5. Delicate hand feel, bringing a soft and comfortable touch. 6. Increase the hanging button hole for convenient travel. 7. Dust-proof plug design, it can be charged without removing the case. 8. 1:1 real machine mold opening, accurate hole position. 9. Headphones are not included. 10. Packing list: protective case + carabiner