DOITOOL 4pcs USB Hub USB Connector Splitter for Laptop for Desktop Expander for Multiple Devices

USB port:suitable for USB drive, USB mouse, USB keyboard, USB sound card, card reader, , digital video , digital , hard disk and other peripheral equipment,usb additional ports for
Extra USB ports for laptops:usb 3,0 port, fast data transmission and backward compatible with USB 1,1/2,0 standard specifications,usb port adapter
Hub usb:characterized by a sturdy and reliable texture, not easy to break, serving you for a long time,multi USB port
USB adapter for laptop:expand one USB port into four ports (usb 3,0 and triple USB 2,0), a USB hub can help solve the problem of not having enough USB ports on your device,usb hub extension
USB hub for :the automatically recognizes the installation, and no driver is required, beautiful appearance, small and practical, easy to carry,usb multiple port