How do you use bluetooth on a cell phone? Turn on your phone and hit the Menu button. Hit Settings and go to Wireless & Networks > Bluetooth Settings. Check the "Bluetooth" box to turn on Bluetooth, then hit "Scan for Devices". Turn on your Bluetooth headset and put it in "discoverable" mode.What is an external phone ringer? External telephone ringers bridge the connection between your telephone jack and your telephone and are activated when a signal passes through the cord, indicating a telephone call via much louder-than-normal ring. Some ringers have multiple volume settings, from relatively loud to mind-melting loud.What is the microphone on a cell phone? Microphone or Mic in a mobile cell phone is an electronic component or part that helps to transmit sound during phone call. It is also called Mic. Microphone is controlled by Audio IC or Power IC (UEM).What is a cell phone ringtone? A polyphonic ringtone is a cell phone ringtone in which more than one note of a song are played at the same time.
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