Features:1. Speed: USB4.1, high-speed splitter, high efficiency, fast transmission speed, strong compatibility, universal mobile phone/tablet, computer expansion. (High speed) USB2.0 interface, 480 Mbps, compatible with USB1.1.2. System: Advanced chipset, good heat dissipation design, won't heat up even after long time use. Windows95/98/Me/2000/XP/Vista/Win 7/8/10, suitable for Mac-OS8.6 or above.3. Support: hot swap, plug and play, automatic charging, no need to install driver, no external power supply. Completely plug and play, no driver required, supports hot swap.4. Multi-function support: The u5b device interface is universal and supports u5b devices, such as disk, keyboard, target, u5b hard drive fan, u5b printer, etc.5. Perfect size: Support 3 simultaneous expansions, extend 3 U5B interfaces to your device, say goodbye to repeated calls. Exquisite and compact, it does not take up space and can combine 3 U5B devices to solve the problem of U5B interface. Description:Hot swap, plug and play, automatic charging, no need to install driver, no external power supply. Mini and compact, it is especially suitable for use with small notebooks on the desktop. Specifications:Product Name: usb splitterMaterial: ABS Size: 300*53*20mm Interface: Micro USB interface Package Included:1pc*Usb SplitterNotes:1. Please allow 0-1 inch error due to manual measurement. Thank you from