4 in 1 Kits for Nextbook 10.1 Micro USB OTG Adapter Cable+OTG Card Reader + HDMI Cable + Stylus Pen multi functional dual micro USB host OTG hub adapter cable.two ports with USB design,connect the keyboard,mouse and card reader micro HDMI to HDMI cable,connect your table to your HDTV with HDMI cable. OTG card reader ,support read/write large capacity SD(HC)/MS/TF/M2/MMC memory cards