Bluetooth microdevice is designed especially for setting up secret communication between a student and assistant during exams, tests, speeches and other situations.
Due to the increase in the use of these devices among students, the regulations and measures get stricter and invigilators are made to check every student’s ear in an exam hall.
In a video going viral, exam invigilators were seen checking the ears of students appearing for the exam to make sure there were no hidden Bluetooth headphones.
Watch the video,
https://twitter.com/raju/status/1075716378475270144
[source_without_link]Indian Express[/source_without_link]