About this item【7 in 1 USB Hub】:The external CD DVD optical drive can not only read CD DVD, but also can be used as an external laptop USB hub, including 4 USB port, 1 TF slot,1 SD card slot, 1 Micro-USB Power Port, compatible with USB hard drive, limited/wireless mouse& keyboard, computer radiator and other USB computer accessories. The card slots are perfect for transferring files by your camera from cards to your computer. (Note: SD port and TF port cannot be used at the same time,only choose one each time)【USB 3.0 & Type-C】:The built-in data cable (on the device back) with USB 3.0 type-A and type-C two kinds of connectors that make it easier to plug this device into different Mac and Windows computers without an adapter required and also .
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