1. Protect the headset 360 degrees. 2. Silicone material, soft, drop-proof, scratch-resistant and durable. 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. The cover is detachable, which makes it easy to take/place the earphones. 6. Earphones are not included.