Brilliant Pebbles

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To set altitude, simply plug it into a smartphone, tablet or computer and use the AON2 app to change the settings. Set up to 20 different alarms, change the volume, and more!

Technical specifications

  • operating altitude: 0 to 30,000ft (0m to 11000m)
  • pressure sensor precision: ±1m (±3.3 ft)
  • battery life: approximately 2 months, rechargeable lithium
  • automatic power-off after 16 hours (AAD-like operation)
  • USB charging
  • weight: 21 grams
  • dimensions: 56x41x11mm
  • up to 20 different alarms
  • feet or metres setting
  • PC/Mac interface
  • Android phones or tablets with Google Play Store app (OTG cable required)
  • automatic notification of app and firmware updates over the internet


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0 of 0 members found this review helpful 0 / 0 members
  • 3

The first unit I received didn't make any sound. Another friend of mine took his non-functional unit apart to find a bad solder connection to the speaker. Their customer service is very responsive, and they sent me another unit right away that works. The battery life on a full charge is good.

The volume isn't as loud as I expected, max volume is required. The app (when using a mac) needed to program it doesn't work when testing the tones.

Their equivalent of the "siren"/screaming tone of an Optima/Quattro is not much different from a normal freefall tone. I think that is a mistake, it should be much more attention-getting like their main competitor.

The unit shuts off automatically, but that also means you have to access the button to turn it on every day.

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  • 4

I have the first generation and it's installed in a Kiss

It's plenty loud for me, you have plenty of options to set up the type of alarm sound and length. The software works flawlessly and customer is the best I've ever seen and you can't beat the price of that unit. Battery life is plenty long.

When going up the alarms can be deactivated and you get only 1 beep at around 100ft. The alarms will all sound when coming down. There's no detection of fall speed to mute freefall alarms like other manufacturer but honestly I kind of like it. It reminds me of my hard deck on every jump.

With the Kiss, I need to remove a screw to get it out of the helmet because the adapter mount doesn't allow the USB cable to enter the connector from inside. I find this part annoying but I don't change my alarms all the time. According to Aon2, Gen 2 will eliminate the need for the custom adapter mount for the Kiss but I don't know if that issue will still exist. I also have a X2 and they put bluetooth on that one so maybe in the future it will be implemented.

All in all, I'm very satisfied with that product

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