Features 1. Instant USB Expander: This 4/7-ports USB 2.0 hub can instantly expand 1 USB port to 7 external USB 2.0 data ports for keyboard, mouse, printer, hard drivers, etc. Easily connecting up to 7 USB devices. 2. Individual ON/OFF Switches: With an individual switch for each port, easier to turn on/off the USB port instead of plugging/unplugging. Respective LED blue indicators for each port can easily show the working status. Turn off the idle port for power saving. 3. The usb interface of the desktop is usually at the back, and it is tiring to bend over to plug and unplug. Connect the USB Hub to the back, we can use the usb device directly in front of the host. 4. Protect the Device: Build in overvoltage/overcurrent/leakage and short-circuit protection unit. Designed with a built-in surge protector to keep your devices safe No drivers required. 5. Compact and Portable: With the slim and lightweight design, it is easy to tuck away in your bags, perfect for business trips or outdoor life on the go. Specification Material: Plastic Color: Black, White Size: 4-ports:11 x 4 x 2 cm, 7-ports: 17 x 4 x 2 cm Weight: 55 g, 75 g Pattern: 7-ports, 4-ports Transmission rate: 2.0 Package Include: 1 USB Splitter Expander