Specifications Compatible Systems:Windows,MacOS,Linux,Others,Chrome OS,iOS,iPad OS,Android Compatible PC Devices:Laptop Hign-concerned Chemical:None Package:Yes Funtion:USB-A,USB-C Standard:USB 2.0 Interface Type:USB 2.0 Ports:4 Origin:Mainland China Plug Type:None USB:4usb,Type c 3usb usb:2Type c 2usb Typec:4usb typec:Type c 3usb,2Type c 2usb About this item Multi Usb PortThis USB hub can easily expand one USB port of the computer to four ports, support four ports to work at the same time, without any pressure, and keep the temperature in the middle range. Plug and play, no driver required, easy to use Note: This hub is not suitable for charging devices as its maximum output current is only 900mA, resulting in very slow charging speeds. Therefore, it is recommended to use it solely for data transfer and peripheral connections to ensure optimal performance. Wide Compatibility&AppliactionThis usb hub for laptop is compatible with Windows 11 /10/8/8.1/7 / Vista / XP and Mac OS X, Linux, and Chrome OS. 4-port USB expander applies to various devices: laptop, pc tower, XBOX, PS4, flash drive, printer, mouse, card reader, HDD, cellphone OTG adapter, keyboard, camera, console, USB fan and USB cables High-Speed Data HubSupports Transfer Speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0). Note: This hub support output max current up to 900mA.So some HDDs that need a current of more than 900mA need an external power adapter