Echo-box

An echo-box was a device that assisted blind people in situational awareness,Star Wars: Rogue One: The Ultimate Visual Guide warning them of potential obstructions or hazards in their path. Chirrut Îmwe wore one on his belt.Guardians of the Whills
==Appearances==
*Guardians of the Whills
*Rogue One: A Star Wars Story 
==Sources==
*Star Wars: Rogue One: The Ultimate Visual Guide 
==Notes and references==
Category:Sensor types