3 Ports:

• ⚡【USB3.0 High-Speed Transmission】USB3.0 provides 5Gbps transmission broadband. The peak transmission rate of USB2.0 is 480Mbps. The maximum transmission rate of USB1.1 is 12Mbps. 3.0 is 10 times that of 2.0.
• ⚡【Material】 ABS material, good heat dissipation, using classic aluminum alloy high-grade design + ABS plastic shell sandblasting process, effectively speed up product heat dissipation, more stable transmission.
• ⚡【Simple And Compact】 Solid shape, stable plug, fine technology, good performance, strictly grasp the simple design concept, small and outstanding, simple and easy to carry, very suitable for going out to work.
• ⚡【Scope of Application】 suitable for desktop computers and laptops, support hot swap, low power consumption, can read portable device materials, such as mobile phone / MP3 / MP4 / PDA and digital camera.
• ⚡【Compatible with Multiple Systems】 Compatible with various mainstream operating systems on the market (windows 98se / me / 2000 / XP / win7 / 8 / 10 /11 Mac OS 8.5 or above), no need to install drivers.
• ⚡【Can't be used in the car】

4 Ports:
Brand new, made of high quality material.
Plug and play, no device driver required for Hub installation. Independent switch, no need to unplug.
Supports super faster data transfer up to 480Mbps/5Gbps, which allows you to transfer HD movies or files in just seconds.
Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges.
Compatible with Windows 10/8/8.1/7 / Vista / XP and Mac OS X, Linux and Chrome OS.
Through the LED indicator,you can easily monitor the connection condition.
Flexible cable can extend the hard-to-reach USB ports on your desktop to your desired location, which making it a nice choice for desktop.
Ideal connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD,flash memory drives,mouse,keyboard and etc.

Specifications:
Product Name: 4 Ports USB HUB
Material: ABS
USB Port Number: 4
Main Color: Black
Transport Interface: USB3.0
Transmission Rate: USB 3.0 port up to 5Gbps
Operating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, Mac OS 8.5 and above.
Power Supply: USB 5V/600ma
External Power Supply: 5V/1.5A-2A
Usage Temperature: 0 -70
Storage Temperature: 10 -90
Cable Length: 15cm / 5.91inch
Size: 7.5*4.0*1.0cm / 2.95*1.57*0.39inch

Packge Content:
1 X 4 Ports USB HUB or 1 X3 Ports USB HUB

📍Note:

Please allow 1-3mm（0.039in) differs due to manual measurement.

Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.

If you have any questions , please feel free to contact us.

You could contact me directly if you need wholesale, we will give you the best price.

Welcome to buy it.🤗