Feature: Plug and play Safe and soft PVC fan blades Flexible metal neck Time is stored and remembered, even when switched off The flexible metal neck allows for adjusting the direction of the fan Powered via the USB port On and off switch LED Emitting color:green red Gently adjust the flexible neck of USB fan to position the breeze anyway you wish Durable soft fan blades make you free of injury Power saving design: low power consumption Gentle Ray, Bright, with or without frequency change, benefit from preventing eyesight Keep fanning until you unplug the USB fan or turn off the notebook or PC It can test temperature or runtime Power supply DC 5V direct from the USB port Plug and play, no external power supply is needed USB mini flexible fan with LED light and runtime How to set time 1. Plug the fan into a USB port and press the button to turn fan on and to activate the clock display 2. Press and hold the button until the minute hand starts blinking then release 3. When blinking,press and hold the button until the clock hands start to rotate and release when you reach the desired time 4. To make small changes,Press the"SET" button once for each minutes 5. The time will be automatically saved in after 6 seconds no activity 6. After the first time setting, it will be remain if power off, no need to set again Package Includes: - 1 USB LED Clock Fan - Time Setting Instructions