Supports USB2.0, is compatible with USB1.1, and has a speed of up to 480Mbps No driver required, plug and play, and supports hot plug It can be expanded into three USB interfaces.Adopt high-speed chip, read high-speed and high-capacity memory card. USB version: 2.0 You can quickly browse and edit files directly on the flash drive,LED shows the working status. support system: 98, 98SE, 2000, ME, XP USB HUB can work with Card Reader together Transmit speed USB2.0 USD2.0 USD1.1 Functional support: SD&MMC Card slot:SD/SDHC/MIniSD/MMC/RSMMC/MMC mobile/MMC Mini MS Card slot:MS/MS Pro/MS MG Pro/MS Duo/MS MG Duo/MS Pro Duo/MS MG Pro Duo TF Card slot:Micro-SD/T-FLASH M2 Card slot:MS MiniM2) 3xUSB interface (plug and play. USB interface, easy to use, high-speed transmission) Colour:White Material:ABS Package Contents: 1 x 7 in 1 USB 2.0 splitter card reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.