2. Gently scrape the side clearance with a utility knife.
3. Remove the sound filter sponge.
4. Remove the screws and plastic fasteners. The screws cannot be separated immediately. The fasteners must be set to the exit position to open the front and rear covers. Qinlian Electronics Co., Ltd. is a computer headset manufacturer integrating R&D, production and sales. Existing brand: Pro-Alliance Wolf King Bo. Obtained a number of national patent technologies.