The vibration mode emoji represents a mobile device in silent mode.
Unicode: U+1F4F3
The vibration mode emoji (📳) depicts a mobile device with a vibration symbol, indicating that the device is set to vibrate rather than ring when receiving notifications or calls. It is often used to convey the idea of being in a quiet or discreet environment where audible sounds should be avoided.
"Don't forget to put your phone on 📳 before the meeting starts."
"I'll be in the library studying, so my phone will be on 📳 for the next few hours."
"Please keep your devices on 📳 during the movie."