2. This device gives directions to where a blind person would like to go.
3. the size of this device is very small.
4. the design element required is a button in the turns the device on, a button on the side that turns the volume up or down, and speakers on the bottom of the device so that the person cal hear the direction
5. The test NC comes in many different colors
6. To use this Device it has to be fully charge for more than 20 minutes


