Ultraslim 4-Port USB-A Hub 18W Aluminum - Input Connection: USB-A male - Output Connections: 1x USB-A 3.0 female, 3x USB-A 2.0 female This ultra-slim hub is perfect for easy transport and instantly expands your laptop with 4 USB ports. - Ultra-slim design, easy to carry anywhere - Add 1x USB 3.0 and 3x USB 2.0 ports to a laptop or computer - Aluminum casing for heat dissipation - Built-in protection against overcurrent, overvoltage, and reverse current - Compatible with Windows, Mac OS, Chrome OS, and Linux Expand your connections in style. Transform one USB port into four with our compact USB 3.0 hub. Enjoy fast data transfer up to 5 Gbps via USB 3.0/USB 2.0 and reliable power supply for your devices. The sleek aluminum casing makes it a standout on any desk. Specifications: USB Version: USB 3.0 Connection 1: USB-A male Connection 2: 1x USB 3.0 Type A female and 3x USB 2.0 Type A female Transfer Speed: Up to 5 Gbps (USB 3.0 port); up to 480 Mbps (USB 2.0 ports) USB-A Power Output: 5 V/0.9 A (4.5 W per port) Standby Power Consumption: 0.9 W Power Supply: USB bus-powered Hot Plug and Plug & Play: Yes Casing Material: Aluminum Compatibility: Windows, MacOS, Linux, and Chrome OS Operating Temperature: -10-50°C Operating Humidity: 20-90% RH (non-condensing) Dimensions: 9.2 x 2.8 x 0.7 cm Weight: 13.5 g Color: Space Gray