[DETAIL]<br>Product Description<br>Notice<br>-1- Not used for charging, it is used to provide more usb ports to transfer files.<br>-2- The power supply specification is 3.5*1.35mm 5V 1A, and supports hard drives below 1TB. If your hard drive is larger than 1TB, then the power supply is not suitable for you.<br>-3- -This link has 7 and 4 ports, and USB 3.0 is single port<br>-4- The power supply can solve the problem of insufficient power supply. If you need to work with a hard disk, then you should choose a power supply. Please note that please do not use more than two hard disks at the same time.<br>-5- The power supply can increase the USB transmission speed, and the insufficient power supply will cause the data transmission to be reduced, garbled and the power supply can improve the reliability.<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Funtion: None<br>- Standard: USB 3.0<br>- High-concerned chemical: None<br>- Funtion: None<br>- Standard: USB 3.0<br>- Interface Type: USB 3.0<br>- Brand Name: NoEnName_Null<br>- Ports: 7<br>- Origin: Mainland China