Yes, the headphones have Multipoint Connection, which allows you to switch seamlessly between the connected devices. 

What you need first

Make sure that these below things are checked before moving further:

1. You have the most recent version of the Google Home app installed 
2. Your LINK device is powered on (LINK 10 and LINK 20 with battery)
3. Your LINK device is plugged into a wall outlet (LINK 300, LINK 500 and LINK VIEW)
4. The LINK device is located near your router and you are standing next to it. 
5. The white LED lights in front of the LINK device are blinking, meaning it is ready to be set up
6. If you are using an Apple iOS device, then you need to turn on Bluetooth to install the device

   1. On your iOS device Home screen, tap Settings > Bluetooth.

   2. Make sure Bluetooth is On (toggled to the right and green).
   3. Return back to the Google Home app .
   4. Your LINK device should appear as "Set up this device" and you can continue with installing the LINK product.
7. If you are using an Android device, then you need to turn on Location services
   1. On your Android device, tap Settings .
   2. Tap Location > Turn on location.
   3. Tap Settings > Apps > Google Home app > Permissions.
   4. Next to "Location",  check the slider is On (toggled to the right and green)
   5. Your LINK device should appear as "Set up this device" and you can continue with installing the LINK product.

If you are still have trouble with installing your LINK devices then follow the steps below for further troubleshooting.

Troubleshooting

Step 1. Reboot your LINK device

1. Disconnect the power cable from your LINK device (300, 500 and VIEW) and for LINK 10 and LINK 20 simply turn the device "OFF". 
2. Reconnect power cable or turning the device ON for your LINK device. 

Step 2. Force close and relaunch the Google Home app      

1. From your Apple IOS device, do the following below:                   
   1. Press the Home button two times quickly. There will be a small preview of your recently used apps.      
   2. Select the app you want to close and swipe up towards the top of the screen.         
2. From your Android device, do the following below:              
   1. Launch the Recent Applications menu to see small previews of your recently used apps.                                 
   2. The Recent Apps button should be accessible at nearly any time along the bottom of the screen along with the other buttons on the virtual task bar.

Step 3. Check to see if the device is listed under “Ignored Devices” folder on the Devices tab      

1. Open the Google Home app.
2. In the top right corner of app home screen, tap Devices.
3. Scroll all the way down and make sure the LINK device is not listed under the Ignored Devices section.
4. NOTE: If you do not see any ignored devices, there is a chance that this section is not listed in the Google Home app.

Last thing to try​

If you are still experiencing issues with your LINK device not connecting to your Wireless network, then try the following:

1. Try finding another mobile device to set up your JBL LINK device, sometimes it can help connecting your LINK device.

2. Relocate your LINK device, or try to disable other Wireless network devices that might cause interference for your LINK device.

3. Perform a factory reset of your device, by holding down the mute button for 15 seconds (the LINK will now reboot and when the welcome message is heard then you can set it up again).
4. Reboot your Wireless router.           
5. Lastly, try turning Wi-Fi off and then back on again for your mobile device. Reopen your Google Home app and try again.

The functions that can be programmed from your TV remote control into Boost TV are Volume+ and Volume-, Mute and Power. No other functions can be learned.

Yes, the two model 300 versions are of identical size, and so are the two model 700 versions. The carrying cases can be purchased as spare parts.

The Everest 300 ear pads can be replaced by owner, but it is not easy, and removing the old pads may damage them. So, it is not a bad idea to have new pads at hand before removing the old ones. Since they are glued in place with double-adhesive tape, it is necessary to rip them off with care. After removing the old ones, clean off any residue of the double-adhesive tape that held them in place from the headphone pods. Then remove the protective layer on the new pads, exposing the adhesive. Carefully align the new pad before pressing the edge. This is to prevent the glue from sticking before you get the pad into the right position. When the pad sits correctly, you can press the edge all the way round to make the adhesive stick securely.

The headphones can pair to multiple devices but can only be connected to one device at a time.

The JBL Endurance SPRINT, JUMP and DIVE can be used in salt water (i.e. sea) but we recommend to thoroughly wash the headphones in fresh water after every use in salt water, to remove the salt residue. Please note that only DIVE can actually be used in water, because it features a function lock and a built-in memory for MP3 music files. SPRINT and JUMP cannot be used in water, because the touch buttons will malfunction when submerged, and Bluetooth cannot function at all under water.

Because bluetooth cannot travel through water, the only Endurance model that is used for swimming is the Endurance DIVE model. The Endurance DIVE model features an MP3 player which allows you to listen to music under water without using bluetooth. Furthermore, only DIVE features a function lock, which prevents water from activating functions inadvertently. SPRINT and JUMP do not have this lock function, and will not work under water.

No, as soon as charging begins, the headphone shuts down. Since no option for cabled listening exists for this model, it is necessary to charge before listening is again possible.

No, this is a Bluetooth only headphone. Charging is done with cable, of course, but there is no cabled audio connection.

Yes, the click-on connector that holds the earphone in place on the Oculus Rift is adjustable in small clicks, longer or shorter.

Yes, the Soundgear Sense earbuds can be used for exercising like hiking and riding a bicycle, they have an IP54 rating. The headphones are also applicable for running and other sport exercising. The flexible ear hook design ensures they fit securely and comfortably in the ear to prevent them from falling out during activity. For an extra secure fit, you can use the optional neckband during rigorous exercise

JBL Playlist: Yes, it can be used with Bluetooth out of the box, and also Chromecast (setup is done via Google Home, but speaker does not have Google Assistant built-in) JBL Link Bar: Yes, it can be used with Bluetooth and Chromecast after setting the bar up with a Google account - choosing not to activate the Google Assistant. JBL Link Music: No, this speaker requires setup via Google Home JBL Link Portable: No, this speaker requires setup via Google Home JBL Link 10, 20 and Link View: No, these speakers requires setup via Google Home Harman Kardon Citation series: No, this speaker requires setup via Google Home Harman Kardon Allure: Yes, Bluetooth is available from factory settings. Every time it is powered on and off, the speaker will say "Now in setup mode, follow the instructions in the Harman Kardon Alexa App." Harman Kardon Allure Portable: Yes, Bluetooth will be available after initial setup in the Harman Kardon Alexa App. This means that you have to log in with your Amazon account at first, and if you do not want to use the Alexa assistant, log out of you Amazon account afterwards. Harman Kardon Astra: Yes, Bluetooth will be available after initial setup in the Harman Kardon Alexa App. This means that you have to log in with your Amazon account at first, and if you do not want to use the Alexa assistant, log out of you Amazon account afterwards.

The UA Sport Wireless Flex can be paired to multiple devices but cannot connect to more than once device at a time.

Locate the power button on the back of the right ear cup. Gently slide the spring loaded power button up for 2-3 seconds and release. Once turned on, it will display a solid white light. If this is your first time powering on the device it should automatically go into pairing mode, and will display a fast blinking blue light. Make sure the device you are attempting to connect to is in search mode. The headphones should pop up on your list of discoverable devices within 3-5 seconds, and connect. Once connected, you will see a solid blue light above the power button.

No. Unfortunately, you cannot connect to multiple devices on the 750NC Wireless headphones. You can pair to multiple devices, but can only be connected to one device at a time. The Everest 710 and 310 feature ShareMe 2.0, which permits listening to the same source over two headphones, wirelessly.

Yes. A built-in microphone combined with a patented echo cancellation system secures clear and easy phone conversation. If a phone call is received while listening to music just push play button to answer the call. No need to find or touch the phone. This hands-free functionality can even be used for phone conferences

Yes, the Live 100 features the one button microphone that allows you to receive and end calls. Simply press the middle button on the inline mic for 1-2 seconds to answer the call. If you wish to hang up, press and hold the center button again for 1-2 seconds.

Yes. To take a call from the Live 200BT press the center button located on the RIGHT neckband for 1-2 seconds. To hang up, simply press the center button again.

Yes, the Inspire 500 features a microphone located on the cord. We recommend running the cord under your chin for the best call connection.

No. Bluetooth does not work under water. The Endurance DIVE however has a built-in MP3 player for music, and is IPX7 waterproof. This means you can use the headphones submerged to 1 meter depth, up to 30 minutes at a time. Also note that for normal swimming, you won't be submerged all the time, so the headphones should be waterproof for the duration of your swim.

For the best PartyLight Stick and PartyLight Beam performance, connect it by using a JBL Auracast™-enabled PartyBox models such as the PartyBox Club 120, Stage 320 and Ultimate.

You can change the JBL Pulse lightshow via JBL Portable app.

1. Connect the Pulse with your phone, open the JBL Portable app and wait for app to recognize your speaker.  
2. Click the Lightshow button to enter the lightshow set-up
3. Swipe left and right to change lightshow
4. Swipe to customized page, to select your favorite pattern and customize your lightshow
5. Click the color wheel to change color or enter camera color picker
6. Click the brightness button to adjust brightness of the lightshow

                                                                                                                                       

On the bottom panel, rotate the battery cover into the unlocked position and remove the cover. Press the battery clip visible on the back side of the battery compartment to allow the existing battery to come out. Then insert the new battery in the slot with the + side visible (facing up), and install the battery cover again. Rotate the battery cover to lock it into place.

In the customized lightshow, you can select up to 3 patterns, however; the preset color cannot be changed. You can always adjust the lightshow brightness. 
 

1. In order to change the name of the speaker, you must first connect your speaker via Bluetooth and then download the JBL Connect app.
2. Once the app is downloaded choose app and wait for it to recognize your device.
3. Now that your speaker is highlighted, choose the gear located either below or to the right of the speaker image.
4. Once you choose the gear you will have the option to edit the name by clicking on the small pencil icon.
5. After you change the name, you will see a notification stating to "Reconnect to  Apply New Name"
6. Go to your Bluetooth settings select "Forget This Device" and then reconnect to establish the new speaker name.

Yes, you can use the headset while charging!

To charge the headphones, place inside charging case. While charging, both LEFT and RIGHT ear bud will display a sold red light. Once the headphones are fully charged. The red light will turn OFF. When the charging case is fully charged, the white LED's will light up accordingly. Battery life can last for 10-hours per charge. You may recharge your earphones for another 40-hours playtime with the charging case. It takes 2 hours to fully charge the charing case.  

You will need to dry the charging port completely before plugging in power for charging.
 

It is not uncommon to have charging problems with True Wireless headphones. You may encounter that charging stops, does not start at all or that one of the ear buds suddenly switches on and begins the pairing process. This is almost always caused by dirt on the metal charging contacts. These contacts are vulnerable because they can easily be contaminated by sweat, skin grease, or ear wax. They are usually gold plated, but gold plating does not prevent surface dirt.

If you have charging problems, the first step is to always clean all contact points, on each earbud and on the charging case.
You will need: cotton cloth or makeup swab, cotton swabs and rubbing alcohol. Also a pencil with eraser for further cleaning.

Use a cotton swab with some rubbing alcohol to clean the charging terminals of the headphones. Rotate the swab and scrub lightly on each contact surface, then use a cotton cloth to remove any dust and cotton residue left on the headphones. It is important to perform this process periodically to keep your headphones clean, thus avoiding affecting the charging speed/quality.

Wipe the contact pins in the charging case with a clean cotton swab. The swab can be slightly moistened with rubbing alcohol, but it is important that the interior is completely dry before closing the box. Use the cotton cloth and wait for it to dry.

Repeat until the contact points are visibly clean, and charging should work as designed.

Try cleaning the contacts with the tip of a pencil and the eraser at the end of the pencil, the graphite and rubber can help to re-establish charging also.
This procedure can be performed on all True Wireless Stereo earphones and cases.