Touch screen works, micro sd card slot works, and usb works. I'd like to know the maximum size and speed that my laptop's. Does a great job and worked flawlessly. 8 pin to SD Memory Card Reader USB OTG Adapter For iPhone 13 12 11 X · Micro SD Memory Card Module Socket SMD Slot Base Arduino Mobile Phone Push Smt · 4in1 USB. Very good condition product. ?. No problems or scratches on the screen. Completely hidden and fits snugly into your Surface Book 2 & Surface Book 3 15" SD card slot. USB hub Surkit-E with 2 USB , Ethernet Port x 1+ Mini DP to HDMI x 1+SD(SDHC) x 1+TF(Micro SD) x 1 card slots for surface Pro 3, mm space from USB. Read SD/TF Cards Simultaneously: Built in SD and TF slots easily access files from universal SD card and Micro SD card; Support 2 cards reading simultaneously. GB SAMSUNG PRO Plus MicroSD Memory Card! Speed MicroSD Card. I plan to purchase an SD card in order to gain additional storage for my pictures. Bought this for a Microsoft Surface Pro 3 LapTab (Laptop with the alter ego of a Tablet). This multifunctional hub has 6 interfaces, including 3 USB ports +1 SD(HC HX) card slot +1 Micro SD(TF) card slot +1 Mini DP to HDMI video output. Opluz Surface Pro 4 Hub, USB Adapter with 3 x USB Ports Fast Speed laptop adapter docking - Output: 3 USB port, 1 HDMI port,1SD&1 Micro SD card slot.