Product Features: USB3.1 Type C to USB2.0 card reader and HUB, supports OTG function, can connect Type C device to external high-speed SD/TF memory card. The USB can be connected to external devices such as USB flash drive, mouse, keyboard, mobile hard drive, etc. The interface can be positively and negatively inserted. Applicable 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: The NOKIAN1 tablet does not have OTG function, so this adapter cannot be used) Support system: WinXP/2003/VISTA/2008/Windows7/WIN8 32/64BIT/MAC Features: 1. Supports USB3.0 specification revision 1.0/2.0 version, compatible with USB2.0 and USB1.1 2. The USB output port can be connected to external USB 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 tablets, compatible with all PC models 5. Supports hot swap, plug and play, no driver required 6. Supports USB3.0 U0/U1/U2/U3 (P0/P1/P2/P3) and USB2.0 L0/L1/L2 power saving mode 7. Supports Secure Digital v1.0/v1.1/v2.0 SDHC / SDXC 8. Supports Secure Digital 3.0 UHS-I (Ultra High Speed) SDR12/SDR25/SDR50/DDR50/SDR104 9. Compatible with USB bus-powered and self-powered 10. Support system: Windows Server 2003, 2008, 2012, Windows 2000/ME, XP, Vista, 7, 8Linux and MacOS 10.x. or later Comprehensive characteristics of the typeC interface: 1. USB3.1 connector and cable Components are specifically designed to support 10Gpbs ultra-high-speed operation, and also include EMI (electromagnetic interference) RFI (radio frequency interference) performance characteristics and necessary improvements. 2. USB3.1 is not only a speed increase, it is also compatible with previous connectors and has the user-friendliness of traditional USB technology. 3. USB3.1 has enough strength to challenge HDMI, Displayport, etc., for the common status of ultra-high-speed AV audio and video bus. 4. Modular strain relief structure to prevent damage to cable bending, 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 speed can reach 10Gbit/s. Through USB PowerDelivery technology, it can be used to charge 3C products. An audio sound is heard when it is inserted correctly. Supports 10,000 times of plugging. 4. TYPE-C has multiple PIN codes, high bandwidth, and can be assigned to define these functions, so it can be used in alternative mode. This is good for consumers and system vendors, as a single contact will reduce costs and improve functionality.