Usage Tips:Onboard 4-way USB3.2 Gen1 expansion port, compatible with USB3.2/2.0/1.1 transmission Onboard external 7~36V DC power supply interface to ensure more stable power supply for external devices Each USB port output current limit 2A, effectively preventing USB current backflow Onboard multiple LED indicators, convenient for checking the working status of power supply and USB interface Driver-free plug and play, compatible with Windows, macOS, Linux and Android systems Interface standard: USB 3.2 Gen1 5Gbps, USB 2.0 480Mbps USB input working voltage: 5V USB input interface form: USB-A type interface USB output working voltage: 5V@lmax: 2A (when the input power is large enough, the peak output current of a single USB interface is 2A, and the total peak current of 4 USB interfaces is 5A) USB output interface form: USB-A type interface External power supply voltage: DC7~36V external power supply External power supply interface form: power supply terminal, DC interface Usage environment: 0℃ ~ 75℃ Operating system: compatible with Windows, macOS, Linux and Android systems Colour:As Shown Material:Aluminum Alloy Package Contents: 1 x Hub 1 x Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.