1. For A+E Key A-Key E-Key M.2 Ngff Wifi Wireless Network Card Protection Card, Adapter Card, Extension Card 2. The Working Principle Of The Adapter Card Is Extremely Simple. It Is A One-To-One Connection Line. There Is No Need For Chip Conversion In The Middle, So There Is No Need For A Driver, And It Not Change Any Performance Of Your Hard Disk! 3. This Adapter Card Is Suitable For A+E Key Or E Key M.2 Ngff Wifi Wireless Network Card To Protect The Golden Finger Of Card From Being Worn During Testing. 4. Please Be Careful And Gentle When Operating. The Adapter Card Cannot Be By Random Tampering. Excessive Force May Cause Components To Break Or Fall Off! 5. Plug Your for A+E Key E-Key M.2 Ngff Wifi Wireless Network Card Directly Into The Device And It Work On Your Machine. Then Add This One And It Work. If You Plug Your Device Directly Into Your Machine And It 'T Work, Then If You Add This, It 'T Work! Product Name:for A-Key E-Key A-Key Wireless Network Card Test Adapter Card Type:Protection Card, Adapter Card, Extension Card Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:PCB Package Contents: 2 x Network Card 2 x Screw 2 x Stud Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.