USB 3.0 Hub 7-Port USB Hub USB Splitter USB Expander for Laptop,Flash Drive,HDD Features: 1.This USB 3.0 Hub For mobile hard disk,USB flash drive,cell phone,tablet,card reader,MP3/4 player For Mouse,Keyboard,Camera,Printer,Scanner and other USB devices compatible 2.For Windows,XP,Mac OS and Linux Desktop or Laptop Compatible Plug and play,no driver required 3.2.4Ghz wireless devices(e.g wireless keyboard or mouse receiver) May not work near USB 3.0 cables It is recommended to connect a USB 3.0 hub to a USB 2.0 port Or use an extension cable to isolate the receiver from the USB 3.0 cable 4.If you have problems using the USB 3.0 hub on For Mac OS Please try installing the latest system update for Mac OS To resolve possible malfunctions when using it on a For Mac OS computer 5.The USB port on this product can charge devices However,please note that this hub is not a dedicated charger and cannot provide fast charging It is recommended to use it mainly for data transfer purposes 6.The external power input of the product needs to be 12V3A or above USB interface 3.0 data transmission,while supporting 1.5A charging function Note:External power supply needs to be equipped by yourself,12V3A or more,less than can not be used Specification: Product Name:Aluminum 7-port HUB Product Size:6.54*3*1.9cm USB3.0 cable:55cm Host+USB cable:75g Color:Gray Package includes: 1*Aluminum 7-port HUB 1*USB3.0 cable Note: Only the above package products are included Flash disk hard disk,need to equip your own 12V3A power supply Power supply below 12V3A will not work Power supply is not included in the package Specifications size and weight are manually measured,for reference only Please take the actual prevail,thank you