For MacBook Air 13.3 inch A1932 / A2179 / A2337 Carbon Fiber Textured Plastic Laptop Protective Case(Black) Tag-Dust Plug Backup battery: CR123A 3V (not

Backup battery: CR123A 3V (not included)

Name: Round head accessory adapter

The orientation of this USB male head is relative

Ring light board size: 30cm

up to 8K60HZ (DP1

For MacBook Air 13.3 inch A1932 / A2179 / A2337 Carbon Fiber Textured Plastic Laptop Protective Case(Black) Tag-Dust Plug Backup battery: CR123A 3V (not1. Please check the model number Axxxx on the back of the laptop before purchasing. 2. Polycarbonate material, strong flexibility, scratch resistant and wear resistant, no fingerprints, waterproof. 3. The real machine is opened to fit your laptop precisely. 4. Two piece design, easy to install and remove. 5. Four rubber feet keep your laptop stable and secure. 6. The bottom housing cover does not affect the heat dissipation of the air inlet and