1.Supports M.2 key B in format 3042/3052. 2.Supports only key B USB bus, does not support SATA bus. 3.No drivers needed for this Adapter.Allows user to read or write Micro-SD card in M.2 Key B slot of laptop 4.Designed for use with laptop or embedded computers 5.Supports LED function to indicate power and access status<br><br>6. Supports Win XP, Vista 32/64, Win 7, Win 8, Win10, Win11 or Linux and so on. Colour:Black Material:ABS<br><br>Package Contents: 1 x Dual Micro-SD Card Adapter<br><br>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.