What's in the box:

USB 3.0 HUB Splitter 4 Ports with On/Off Switches High Speed 5Gbps Multiple USB Port Expander for PC Computer (Standard)

Features:
USB3.0 port provides a transmission rate of up to 5Gbps, 10 times faster than USB2.0, and is backward compatible with USB 2.0/1.1 standard specifications.
Plug and play compatibility, USB bus power supply, no need for additional power adapter drivers.
Support hot plug, built-in overvoltage/overcurrent/leakage and short circuit protection unit.
4-port USB3.0 provides 4 ultra-high speed USB3.0 ports for data transmission and charging.
Fully compatible with USB specification version 3.0.
Support: for windows95/98/ME/2000/XP/Vista, for Mac 8.6 or later.
ON/OFF switches activate or deactivate individual ports.
Portable enough for travel, and cable enough to meet your connectivity needs.

Note: This HUB is not a power charger.

Specifications:
Type: USB 3.0 HUB
Ports: 4 ports
Working humidity: 10% - 90%
Working voltage: 5V
Working current: 500mA
Working temperature: -20C - 75C
Storage temperature: -40C - 85C
Color: Black
Cable length: about 25cm
Main Unit Size: 11.5*4.5*2cm / 4.52 1.77*0.78in
Item Weight: 65g / 2.29oz
Package Size: 15*7*3cm / 5.90*2.75*1.18in
Package Weight: 69g / 2.43oz

Package List:
1 * 4 Ports USB 3.0 HUB