????USB 2.0 + 2 Port USB 3.0 CD-ROM Expansion Mobile Rack<br>1) 4 Port USB 2.O 2 Port USB 3.0 CD-ROM expansion mobile rack <br>2) Directly connected to computer <br>3) 6-port USB output<br>Specifications of 4 Port USB 2.0 + 2 Port USB 3.0 CD-ROM Expansion Mobile Rack<br>What's in the box:1 x HUB<br>General Features:SKU	OE702ELCHUQIANMY-3156993	<br>Condition	New	<br>Size (L x W x H)	15 x 7.5 x 1	<br>Weight	0.2	<br>Warranty Period	No Warranty	<br>Warranty Type	-	<br>