Question about Plantronics Discovery 640 Wireless Headset

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No sound from my plantronics 640 earpiece?

Hi- for some reason my ear piece~ plantronics 640 sound disappeared? i thought maybe i did not charge it completely so recharged it. that doesnt seem to be the problem. shut it down as well as phone... to no avail? has it met its last day? have you heard if this has happened to anyone else. its several yrs old now.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

SOURCE: Passcode for Plantronics 640

I heard 0000 is the default code

Posted on Dec 11, 2007

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aspaulding2c

  • 1 Answer

SOURCE: plantronics ear piece

i need a passcode for my bluetooth so i can put it on my blackjack

Posted on Feb 29, 2008

Anonymous

  • 2 Answers

SOURCE: need pin for plantronic bluetooth

try inputting 4 zeros, that's 0000

Posted on Mar 05, 2009

Anonymous

  • 1 Answer

SOURCE: how do i connect phone with m2300 ear piece

Begin with Headset turned off. Press button for 6 sec. Release button when Light Indicator flashes blue and red. Headset is ready to pair with Bluetooth device. Use your device?s menu to enter pairing mode and select ?320 Plantronics? on the display. When asked for passkey, enter ?0000.?

Posted on Jun 10, 2009

Anonymous

  • 4 Answers

SOURCE: How do I replace the ear cushions for a Plantronics DSP 400?

There are some small silver inserts on the side of each earpiece. You can pry them off (gently) starting under the cushion and working your way around.

You can then remove the old cushions and put in the replacements and snap these silver retainer inserts back on.

You can get replacement cushions online for about $16.

Posted on Nov 12, 2009

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