Pls Choose the your right adapter, US/EU/AU/UK Plug(5V 2A)

Features:
1) Made of high-strength ABS plastic, compact size & lightweight, easy to carry
2) Features LED power indicator design, straightforward
3) 4 port USB interface support hot-swappable, plug and play, easy to use
4) Interface parallel arrangement, the use of non-interfering, good compatibility
5) Cable length about 60 cm , good flexibility, and is more convenient to use
6)Supports overload voltage and instantaneous current protection,effective protection of connected devices and HUB
7) USB3.0 interface theoretical transfer rate of up to 5Gbps, and downward compatible USB2.0/USB1.1

Specification:
Item Name:USB HUB 3.0
USB Ports:4 and 7
Cable:About 60cm
Size:about 100*43*19mm(4 ports) and 155*55*25mm(7 ports)
Speed:5GBPS
Compatible: windows xp/vista/7/8/10 and Mac OS linu, more.

Notice:
1.Connect multiple mobile hard disk or mobile phone at the same time will cause insufficient power supply ,so need to use the power adapter
2.Connect multiple u disk, mouse, keyboard, card reader, printer, etc. do not need to use the power adapter