(1)DO not used for charging,it is used for offering more usb ports to transfer file.
(2) The power supply can solve the problem of insufficient power supply, if you need work with a hard disk , then you should choose the with power supply , and please note ,please don’t use more than 2 hard disk at the same time
(3) The power supply can improve the usb transmission speed
Features
1. 100% brand new and high quality
2.Hot plug & play USB device
3. Fully compatible with USB specification version 3.0
4.With blue LED for power
5. ON/OFF switches activate or deactivate individual ports
6.Designed with 4-port,7-port,this compact USB3.0 high-speed hub is small enough for travel,and cable enough to meet your connectivity needs
7.Thespecification of the power supply is 3.5*1.35mm, 5V 2A.
Specifications
Item Name:USB HUB 3.0 / 2.0
USB Ports:4,7
Cable:USB 3.0 About 605mm,USB 2.0About 400mm
Size:104*35*21mm,164*35*21mm
Data Transfer Rate:Upto 5Gbps/480mbps
Color:Black/White
Compatible: WindowsXP/Vista/7 and MAC OS 9.1 or higher
SPECIFICATIONS
- Interface Type: USB 3.0
- Ports: 1
- Origin: CN(Origin)
- Funtion: None
- Standard: USB 3.0
- Certification: CE
- Length: 104mm,164mm
- Package: Yes
- Model Number: USB Hub 3.0/2.0
- Plug Standard: None
- Compatible: windows xp/vista/7/8/10 and Mac OS,linux
- Size: 104*35*21mm, 164*35*21mm
- Cable Length: USB 3.0 HUB 605 mm,USB 2.0 HUB 400 mm
- Feature 1: USB Hub 3.0,USB 3.0 HUB
- Feature 2: USB Splitter,Multi USB 3.0 HUB
- Feature 3: USB Hub 2.0,USB 2.0 HUB
- Feature 4: USB-hub,hub USB ,USB Hub With EU Power Adapter
- Feature 5: 4/7 Port hub ,USB Hub With Power Adapter
- Feature 6: hub USB 3.0,usb port,yusb hub
- Feature 7: hub usb 3.0 para pc,usb multiple,usb 3 hub
- Feature 8: usb3 hub,usb hub 3.0 use power adapter
- Feature 9: usb hab,yusb splitter,powered usb hub
- Support: Dropshiping ,Retail,Wholesell
