Product Features:USB3.1 Type C To USB2.0 card reader and HUB, support OTG function, can connect type C device to external high-speed SD/TF memory card, USB can be connected to external devices such as USB flash drive, mouse, keyboard, mobile hard disk, etc. The interface can be Positive and negative insertionApplicable models:After testing, it is perfectly compatible with the latest Macbook, and supports the transfer of SD/TF memory cards and USB flash drives, mobile hard drives, mice, keyboards and other USB devices that support the MAC system. It can also be used for LeTV mobile phones, LeTV PRO and LeTV MAX mobile phones. (Reminder: NOKIAN1 tablet does not have OTG function, so this adapter cannot be used)Support system: WinXP/2003/VISTA/2008/Windows7/WIN8 32/64BIT/MAC Features1. Support USB3.0 specification revision 1.0/2.0 version, compatible with USB2.0 and USB1.12. The USB output port can be connected to USB external devices such as USB flash drives, keyboards, and mice.3. Low power consumption, unique voltage and current overload protection, effective protection of HUB and connected devices, ultra-thin and portable, specially designed for MACBOOK AIR, ultrabooks and tablet computers, compatible with all PC models5. Support hot swap, plug and play, no driver required6. Support USB3.0 U0/U1/U2/U3 (P0/P1/P2/P3) and USB2.0 L0/L1/L2 power saving mode7. Support secure digital v1.0/v1.1/v2.0 SDHC / SDXC8. Support Secure Digital 3.0 UHS-I (Ultra High Speed) SDR12/SDR25/SDR50/DDR50/SDR1049. Compliant with USB bus-powered and self-powered10. Support system: Windows Server 2003, 2008, 2012, Windows 2000/ME, XP, Vista, 7, 8Linux and MacOS 10.x. or laterComprehensive characteristics of typeC interface:1. USB3.1 connector and cableThe components are specifically designed to support 10Gpbs ultra-high-speed operation, and also include EMI (Electromagnetic Interference) RFI (Radio Frequency Interference) performance characteristics and required improvements.2. USB3.1 is not only a speed increase, it is also compatible with previous connectors and has the ease of use of traditional USB technology.3. USB3.1 has enough strength to challenge HDMI, Displayport, etc., for the mainstream status of ultra-high-speed AV audio and video bus.4. Modular stress relief structure to prevent cable bending damage, easy to move flexibly, and durable;USB TYPE-C performance:1. TYPE-C will achieve the same upper and lower ends, which means that users no longer need to distinguish between the front and back of the USB. Just like the Apple Lightning interface, it can be inserted in both directions.2. It should be noted that the TYPE-C interface and data cable are not compatible with any existing types.3. Compatible with the development of future USB standards, the highest rate can reach 10Gbit/s. Through USB PowerDelivery technology, it can be used to charge 3C products. A sound will be heard when inserted correctly. Supports 10,000 times of plug-in.4. TYPE-C has multiple PINs, high bandwidth, and can be assigned to define these functions, so it can be used in Alternate mode. This is good for consumers and system suppliers, because a single connector will reduce costs and enhance functionality.