Features:1. Current Stability: The built-in 3.3-level voltage regulator can control the +5V single operating voltage, thereby reducing the overall cost of the system. Provides up to 500mA to any port, enough to support a variety of devices, plug and play, hot swap.2. Four USB ports: Our hub provides four more USB ports compatible with USB 2.0 hub devices (low and full speed). Add four to your laptop or desktop with this compact and cost-effective USB 2.0.3 hub. High-speed: Four USB 2.0 ports (up to 480Mbps bandwidth), providing additional space for larger USB ports. The USB bus is powered and has an integrated cable, so you can take the hub with you wherever you go.4. Portable size: Portable 4-port USB 2.0 hub with integrated cable and lightweight design, with a compact design to place on the go or on your desk.5. Compatible: Fully compatible with Universal Serial Bus, a single-chip integrated USB hub controller with a built-in proprietary processor. Connect modems, USB printers, scanners, and HDs to one convenient USB hub. Description:Fully compatible with Universal Serial Bus, single-chip integrated USB hub controller with built-in proprietary processor. With a 4-port USB hub, you can add 4 USB peripherals to your computer and save desk space. Specifications:Material: ABSMeage: About 7