# Sony Smart Watch 3 and iPhone in Tandem (simultaneous connection) **URL:** \ **Category:** C/GM\ **Tags:** cgm, dexcom, smartwatch\ **Created:** [December 4, 2018, 7:27am UTC](https://forum.fudiabetes.org/t/sony-smart-watch-3-and-iphone-in-tandem-simultaneous-connection/5706 "2018-12-04T07:27:17Z")\ **Posts on this page:** 1\ **Showing post:** 59
**Author:** ![Tim07NOV18](https://avatars.discourse-cdn.com/v4/letter/t/c2a13f/32.png) [@Tim07NOV18](https://forum.fudiabetes.org/u/Tim07NOV18)\ **Post date:** [July 3, 2019, 1:24am UTC](https://forum.fudiabetes.org/t/sony-smart-watch-3-and-iphone-in-tandem-simultaneous-connection/5706/59 "2019-07-03T01:24:06Z")
Hey Anton, I’ve been trying to resolve checking my blood sugar whilst surfing for several months now. Check out the link below to my most recent post. I purchased a 14 day sensor from Abbott (Australian Market). Sure enough the watch could work as a standalone. I went for a run with just the watch and my freestyle libre sensor able to check my sugar whenever I pleased. I haven’t surfed with it yet but judging by the videos embedded in that post it should work. The dexcom system just doesn’t work whilst surfing as detailed in that link. > [@Surfing with a CGM?](https://forum.fudiabetes.org/t/surfing-with-a-cgm/5649/10): > > I’ll keep you posted. Just finishing up following the steps outlined below: Didn’t matter what I tried bluetooth just doesn’t like the ocean thus I stopped using the Dexcom system to try and solve the issue or reading sugar levels whilst surfing. NFC however, as utilised in the Freestyle Libre system, appears has the potential to work. Check out the link to this youtube video of someone scanning a sensor not only whilst scuba diving but through a neoprene wetsuit as well (if you’re familiar … --- _[View the full topic](https://forum.fudiabetes.org/t/sony-smart-watch-3-and-iphone-in-tandem-simultaneous-connection/5706)._