For MacBook Air 13.3 inch A2179 & A2337 2020 ENKAY 3 in 1 Crystal Laptop Protective Case + EU Version TPU Keyboard Film + Anti-dust Plugs Set(Green) Tag-Blackview 4 GHz and 5 GHz

4 GHz and 5 GHz wireless chips

effectively supporting the palm

Support system: For WIN2000 / WINXP / 2003 / VISTA / 2008 / WIN7 / WIN8 / WIN10 / MAC / LINUX

Standby current: Less than 50uA

charging + transmission synchronously

For MacBook Air 13.3 inch A2179 & A2337 2020 ENKAY 3 in 1 Crystal Laptop Protective Case + EU Version TPU Keyboard Film + Anti-dust Plugs Set(Green) Tag-Blackview 4 GHz and 5 GHz1. Before purchasing, please check the model number on the back of the notebook: Axxxx, and confirm the regional version of the notebook. 2. Protective shell material: polycarbonate; keyboard membrane material: TPU; dust plug material: silicone. 3. Two piece design, easy to install and remove; four rubber feet keep your laptop stable and safe; the bottom shell cover is ventilated to facilitate heat dissipation. 4. Full access to all buttons and