Tag Archives :tour guide communication system
Wireless Training System for School and Teaching
- Feb 04,2023
- Claire
- 0 Comments
- Tour Guide System
Wireless training system allows teachers to deliver instruction content to students using only the low decibel volume of normal speech. ...
Why Hajj and Umrah Need a Whisper Listening Device
- Mar 29,2023
- Claire
- 0 Comments
- Tour Guide System
The whisper listening device can clearly transmit the voice of the pilgrimage team leader to the team members. ...