Gydom Smartwatch Review - Is this New Smartwatch Worth Your Time? 

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Thanks. Can all the activity and fitness apps be deleted?

Would this work with the Samsung health app. Only new to this so apologies if its a stupid question.

I am looking at the different models to compare the differences, IDW19 and IDW13 The 19 does have double the memory than the 13, but they use different PPG sensors. I find that interesting. From your video, it appears that you have the IDW19 model (at least, that's what your link points to. Questions: - Do you find it accurate for Heart Rate BPM? - Do you find it accurate for Sp02 (oxygen) ? - As for Sp02 (oxygen) does this only measure at night when sleeping, or can you press an icon to trigger it to check oxygen in real time? - Does it also have the ability to monitor oxygen constantly and keep a log of variations? Thanks for your review and any confirmation of my questions. It's appreciated. .Ooops, I forgot. What's the battery life on this watch? Days??