Features:

 

• Glasses

 

• Small microphone

 

• Small light-emitting diode (LED)

 

Way to use:

 

• Wear the glass

 

• Speak title of materials

 

• Result show on illustration screen

 

• Choose a material

 

• Show call number and location on shelf

 

• Go and pick up the material

 

Advantages:

 

• Help user searching material on shelf

 

• Not waste time in searching