ORICO 10-Port Hub (3-Port USB 3.0 + 7-Port USB 2.0) that instantly adds up to 10 USB ports ((3-Port USB 3.0 + 7-Port USB 2.0) to your desktop or laptop, so you never run out of USB ports again. An AC adapter provides adequate power supply when multiple devices or power-hungry devices are plugged in. An on/off switch lets you power off all connected devices with a simple press. And built-in protection circuit protects your devices and the hub itself against power anomalies.