Usage Tips:Features: 1.Multiple USB Ports: Converts One USB Port Into Seven, Including Support For Usb Flash Drives, Mice, Keyboards, Printers, Or Other Usb Peripherals. It Is Backward Compatible With Older USB 2.0 / 1.0 Devices. 2.5GBPS Data Transfer Speed: Each Port Is Equipped With Usb 3.0 Technology, Capable Of Transferring Data At Speeds Of Up To 5 GBPS,Enough To Transfer Hd In Seconds. 3.Broad Compatibility: USB Are Compatible With Most Operating : /7/8/10; Macos-8/9 / X,Unix,Linux. 4.Protection Equipment: Built-In Overvoltage/Overcurrent/Leakage And Short-Circuit Protection Devices. Built-In Surge Protector Keeps Your Device Safe Without Drivers. 5.Easy To Switch To Power On/Off Description: 1.Interface: USB 2.0 2.Switch: 7 Independently Controlled Switches 3.Chip: Tell The Chip 4.Support System:Win7/XP/Vista/200/ME98 MacOS10.2+ 5.Size:16.5 x 3.5 x 2.1 cm Material: Plastic colour: black Package Contents: 1 x USB Splitter 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.