product description:
Tendak
USB 3.0 Powered Hub is designed for expanding USB connections of laptops/computers. Features 4 USB 3.0 ports and one smart charging port.
Specifications 4 USB 3.0 ports for data transfer
1 Charging port for charging phone/tablet etc.
LED: 4 built-in blue LEDs
Switcher: 4 ON/OFF power button
Cable length: 100 cm / 39 inches
Symtem Supports: Windows 10.1/ 10/ 8.1/ 8/ 7/ Vista/ XP/ 2000 and Mac OS X 10.2 or above / Linux 9 or above
USB Port Supports: backwards compatibility with USB 2.0/1.x version
USB 3.0 data transfer rates: Up to 5 Gbps (ten times faster than USB 2.0)
Why need a 5V 3A power adapter 1.USB3.0 port on laptop/desktop provides only 900mAh of current, it s really not enough if you have multi usb devices.
2.Some devices require more power such as external hard drive, one external hard drive requires 0.5A to 1A of current, you can t plug other devices in if only 900mAh
3.with the power adapter, you can charge the phones/tablets (iphone requires 1A, Samsung require 2.1A)
4.It can charge your phone even if the computer is off. If without the power adapter, the USB hub will be shutdown when the computer is off
What is include 1 x USB 3.0 Hub
1 x Power Adapter
Warranty: 1 Year Limited Warranty by Tendak
Note 1.Some USB 3.0 devices and 2.4G wireless devices(wireless mice, wireless keyboard etc.) require a direct connection to host USB 3.0/2.0 ports may not compatible with this product.
2.It comes 5V 3A power adapter. Do NOT make the total of current over 3A when charging your multiple devices.
3. Please do not connect multiple printer or scanner, it will caused lower power problem.
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