Onboard 4-way USB3.2 Gen1 expansion port, compatible with USB3.2/2.0/1.1 devices Onboard external 7-36V DC power supply interface for stable power delivery to external devices Each USB port has an output current limit of 2A, helping prevent USB current backflow Integrated multiple LED indicators for monitoring power and USB interface status Plug and play, no driver required; compatible with macOS, Linux, and Android systems Interface standard: USB 3.2 Gen1 5Gbps, USB 2.0 480Mbps USB input working voltage: 5V USB input interface type: USB-A USB output working voltage: 5V @ max: 2A (when input power is sufficient, single USB port output current is 2A, total output current for 4 ports is 5A) USB output interface type: USB-A External power supply voltage: DC 7-36V External power supply interface type: terminal block, DC connector Operating environment: 0°C to 75°C Color: As Shown Material: Aluminum Alloy Package Contents: 1 x Hub 1 x Data Cable Only the items listed above are included; other items are not included Note: Lighting reflections and display differences may cause slight variations in color between the image and actual item. Measurement error allowance is +/- 1-3 cm