I tested the Amazfit GTR 3 against a scientific sleep EEG device, and tested the heart rate, SpO2 and GPS accuracy. Subscribe to my weekly Newsletter(!) on www.robterhorst.com
Instagram: [ Ссылка ]
Twitter: @QuantifiedRob
Amazfit GTR 3 Firmware used: 7.22.7.1 (latest version available on my iPhone in my region on 2021-11-14)

👇 $30 off any new WHOOP membership, affiliate* (paid) link, supports the channel!👇
join.whoop.com/QuantifiedScientist ($30 off any new WHOOP membership)

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Apple Watch 41 mm: [ Ссылка ]
Apple Watch 45 mm: [ Ссылка ]

Amazfit GTR 3: [ Ссылка ]

Fitbit Charge 5: [ Ссылка ]
Fitbit Luxe: [ Ссылка ]
Fitbit Charge 4: [ Ссылка ]
Fitbit Sense: [ Ссылка ]
Fitbit Inspire 2: [ Ссылка ]

📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
Camera body (main): [ Ссылка ]
Camera lense (main): [ Ссылка ]
Camera (B-roll): [ Ссылка ]
Light: [ Ссылка ]
Softbox: [ Ссылка ]
Light stand: [ Ссылка ]

The EEG tracker I used is called the Hypnodyne ZMax: [ Ссылка ] from @HypnoDyne Corp

⏱️This comparison is part of a larger project where I spend over 11 hours a week tracking everything in my life. If you'd like to know more:
[ Ссылка ] ⏱️

Timestamps:
00:00 General intro
00:46 Results: Heart Rate Test
04:19 Results: Sleep Test
07:43 Results: SpO2 Test
09:05 Results: GPS Test
10:26 Conclusions
10:56 Buy The Amazfit GTR 3?

🎵Music🎵
(1) Not Without the Rest by Twin Musicom is licensed under a Creative Commons Attribution license ([ Ссылка ])
Artist: [ Ссылка ]
(2) Wonders by JVNA
(3) Can’t Sleep (YouTube Audio Library)
(4) Classique (YouTube Audio Library)
(5) Blurry Vision (YouTube Audio Library)
Person Waking up Video by Ba Tik from Pexels

Many thanks to Rob and Frederik (and his FUN:D SCIENCE FOUNDATION) for their help with the OpenBCI device.

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