J-DEAL 7in1 USB 3.0 7-Port Hub and Multi-in-1 Card Reader+OTG Adapter for Macbook Microsoft Surface Ultrabooks Laptops Tablet PCs with USB Port, OTG Smartphone 7-in-1 USB3.0 hub with card reader + OTG converter provides convenient data transfer solution for any compatible Macs, MacBook Air, MacBook Pro, iMac, Microsoft Surface, Lenovo Yoga, ThinkPad, Samsung, Dell, Ultrabooks, Laptops, all PCs, also OTG tablets or other mobile devices SuperSpeed 7 ports USB 3.0 hub provides high data transfer speed up to 5Gbp/s, backward compatible with USB 2.0/1.1. The actual transmission speed is limited by the connected device. Convenient operation of external drives, memory sticks, card readers, flash disk, digital cameras, smartphones, ect. Card reader slot supports most conventional SD cards or Micro SD cards, convenient operation of external drives, memory sticks, card readers and more USB On-The-Go (OTG) adapter transform USB OTG enabled Android or Windows smartphones and tablets with Micro USB port into a host for connecting USB peripherals such as keyboards, mice, flash drives, external hard drives, USB card readers, game controllers and more Easily put it into your pocket or laptop bag and take it with you wherever you go. Built-in surge protector keeps your devices and data safe. Bus-powered. Hot-swappable