How do I install my Sentry BT400 blue tooth earphones?

It is very unlikely that your MP3 player is BlueTooth. Make and Model or the player and the earphones are needed in questions like these or we are working blind and guessing. Click COMMENT to report back. Read this though.

Tip & How-To about Miscellaneous

Pairing Bluetooth Devices
Posters often ask "How do I pair my Bluetooth ???" Insert whatever device you have at the question marks.

Generally, you need to read the instructions for the camera, headset, speakers or whatever the Bluetooth device is.

Roughly speaking though.

Settings - Bluetooth - Search, on the Android, iPhone, Windows phone whatever.

With camera, speaker, headphones or whatever the Bluetooth device is, you have to press a button on that device to send out the signal. On my Bowers and Wilkins T6 Speakers, there is a button on the top with the Bluetooth symbol on it. This is the part people usually don't do and ask for advice, thinking it will do this automatically.

When the Android device recognizes it, click Pair, and if it asks for a code, the Default is '0000', (four zeros, no quotes).

Posted by ADMIN... on Nov 19, 2016

You never stated what your issue was properly if they are blue tooth headphones then press your blue tooth toggle and scan, make sure the earphones are switched on otherwise it will not find them. Then press on earphones when phone finds them they should pair then you can listen through them. If it's a jack just plug them straight in and play.

Sentry BT400 Headphones Manual [pdf]

Is the speaker turned on? You must pair the computer with a working device.

Do you have a smart watch that connects via blue tooth? If so, disconnect it. If not then the earphone jack is faulty.

hi sfkimura you need to take the battery out of the phone. Next plug the headset and into the port. Take the headset out and now put the battery back into the phone. the phone got set in headset mode. You can try doing a reset of the default settings. Don 't do a factory reset it will erase your phone back to nothing on the phone. Ok hope this help

I’m happy to help further over the phone at https://www.6ya.com/expert/ronald_e152e07e272e4f27

YOU SHOULD BE ABLE TO GO TO YOUR BLUETOOTH ON YOUR PHONE AND SEARCH FROM THERE . IT SHOULD FIND YOUR HEADPHONES.

As far as I am aware the mouse you are talking about is NOT blue-tooth but a regular wireless mouse.

It came with a small wireless dongle that plugs into ANY regular usb port and does not need a cable.

Blue tooth does not usually use cables either as it is a wireless format but different to regular wireless

If your mouse is blue-tooth then you should ensure that your laptop or pc also has blue-tooth.

Should it not have blue-tooth then to use the mouse you would need to purchase a usb blue-tooth adapter. this is not a cable but is classified as a "dongle" you that's true !
This dongle plugs into any regular blue-tooth port on occasion windows will detect and install the required files but some blue-tooth dongles will come with a cd that you need to install.


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Yeah man I have the same problem!
I guess I will just buy a new jack!