Lovely and unique design.? 4 in 1 USB 2.0 hub.? Support USB 1.0 / 1.1 / 2.0? Plug and play? Internal over current protection circuits? Provide up to 500mA per port， sufficient for devices ? You can flexibly change the shape of the USB hub and make it charge/read your device(s) at a best angle.Note: this USB hub can��t work with devices with the power demand over 500mA. Specifications:? Dimension: 8*8*1.5cm? Cable Length: 46cm? Material: ABS & Electronic components? Transmission speed: 1.5/12/480 Mbps? Compatible with: Windows 95 / 98 / 2000 / ME / XP/Win7/Win8/8.1， Linux， Mac OS 8.5 or abovePackage include1 x 4-port USB hub with cable