【USB 3.0 hub active with extended 4 ports】One to 4 USB ports, backwards compatible with USB 2.0 / USB 1.0. 【USB hub with fast file transfer】Supports transfer speed of up to 5 Gbps (USB 3.0) and 480 Mbps (USB 2.0). An HD film is transmitted in a few seconds. 【Single on/off switch USB distributor】The Atolla mini USB hub 3.0 with 4 ports, individual on/off switch is installed for each port without removing the device. With the LED you can see the work progress of each connection. 【Super small and lightweight USB hub active】The compact USB hub is extremely small and lightweight, very well suited for work and travel. Product design:4-port USB 3.0 hub with individual power switches and LEDs. Up to 5 Gbps of data transfer speed. Hot swap, plug and play, no installation required. Very light weight and high portability. 4 Port USB 3.0 Hubs:Real-time data transfer atolla USB 3.0 hub active distributor data hub. Backwards compatible with USB 2.0, 1.1 and 1.0. Plug and play: Yes (No driver required). High transmission speed:Data transfer speed up to 5 Gbps, for USB 2.0 up to 480 Mbps, and for USB 1.1 up to 240 Mbps (theoretical values). Highest compatibility and performance:Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or higher), LinuxApplicable devices: Desktop PCs, notebooks, laptops, ultrabooks and devices with USB Type A port. Single switch + LED indicator:Single on/off switch with blue LED for each port shows working progress and is not affected by each other. Micro USB power connection:By connecting an external power supply via the micro USB port, the devices on the hub can be powered with higher power. Product information: Cable length: 15 cm (5.9 inches) Size: 10.5 x 4.5 x 1.5 cm (4.13 x 1.77 x 0.59 inches) Weight: 44 g