It took a few trys before it would pair with ...
580528
It took a few tries before it would pair with remote and the shock feature did not work. Its too large for my dog therefore due to these facts I had to return.
1419966
I have had a hard time setting it up for some reason. I realized It was not compatible with my TV.
2160608
little hard to get them to pair w each other, some times takes several tries. Other than that works well.
1870625
Kinda hard to pair to wifi, but once paired easy to use and use it more than I thought I would
3230159
A little difficult to pair, but does work well.  I have it connected to SmartThings.
3432691
I paired it, it worked until i turned it off.  Now here are the stats:

75% won't connect
15% connects (no audio)
10% plays sound

I have to go into Bluetooth settings everytime. EVERYTIME.
628380
Took me a while to figure out how to make it work properly. It can be a pain to setup,  but it does work!
4910521
Not a great product. Had all kinds of problems getting it to pair with anything and then it would just work sometimes and not sometimes.
2272259
At first it seems not to fit right but I tried it a couple of times and it worked great.
1295170
At first it didn't work, but now it works fine, guess it had to get used to it's atmosphere
3479777
When I first got it, I had trouble getting it to pair with the remote. Now it pairs ok, but there seems to be a dead spot in the throttle. I thought it was the remote itself, so I bought a new one and it does the same thing.
500217
It took a bit to connect it to my phone but the head set works great. For those in need of help pairing. Make sure the head set is off and your phone is ready for pairing. Then hold the play pause down till the blue light turns red and blue then search for bluetooths on phone . it took maybe 25 to 40 sec. Enjoy
4846330
Directions were a little vague, but I went to the website and found them. After that it paired great and it works great!
4338420
Sometimes it works and sometimes it doesn't ...
3249825
sometimes it will not connect right away and I will have to fo back into my Bluetooth settings to reconnect my headset.
3300904
Couldn't get the camera to pair with the app. After restarting the system according to the directions over 10 times, the camera's operating system would not resort to original factory settings.
2934461
After trying for 25 times it finally connected. It will do for now.