Tripp Lite 4-Port Hi-speed USB 2. 0 ultra-mini hub with power adapter color has diagnostic LEDs to indicate power and port status. Hub has plug and play/hot-swappable factor that allows you to add or remove a device at any time. Allows connection of USB devices to a single USB port on a PC/Mac/laptop. Female ports. 4-port. Certified by the USB-IF to support hi-speed data transmission rates up to 480Mbps. Perfect for both the desktop and mobile user. For the mobile user, full featured hub with self stored cable is the size of a 3/8" thick credit card. For the desktop user, extension cable provided, hub can be located within easy reach, wherever the PC is located. Hub functions without needing external power, but a compact, international AC adapter (110/220V) provided for rare circumstance when connecting a power hungry device. Backwards compatible to function with both USB 2. 0 devices and USB 1. 1 peripherals. Lifetime replacement warranty. Connection type: USB A (male/female (X4)). Supports all data transfer rates up to 480Mbps. Intended application: Connecting peripherals. Compact design with built-in cable (6"), perfect for travel. Tripp Lite 4-Port Hi-speed USB 2. 0 ultra-mini hub with power adapter color supports all data transfer rates up to 480 Mbps and its compact design with built-in 6" cable makes it perfect for travel.