Item Type: 7-Port USB Hub Material: ABS Cable Length: Approx. 51cm or 20 in Interface Type: USB3.0 Power Adapter Specification: Input AC 100-240V-50 or 60Hz 0.15A, Output DC 5V- -1A1,Stable performance, low power consumption, no noise, USB3.0 interface balanced transmission, safe and stable. 2,7 interfaces USB3.0, independent switch control each interface, can be easily connected to USB3.0 and traditional USB devices, such as mobile hard drives and other high power devices. 3,Small and portable, designed for desktop computers, notebooks, ultrabooks and tablets. 4,High speed transmission, follow the USB3.0 transmission specification, 5Gbps theoretical transmission speed. 5,Safe and reliable, unique voltage and current overload protection, effectively protecting the HUB and connected equipment.1 x USB 7-Port Hub 1 x USB Cable 1 x Power Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.