1. Protect the headset 360 degrees. 2. Using environmental protection TPU material, no peculiar smell, non-toxic. 3. 1:1 real machine mold opening, precise hole position. 4. The charging port is reserved, so there is no need to remove the earphone sleeve when charging. 5. With hooks, it is anti-lost and easy to carry. 6. Earphones are not included.
