Apple Watch Ultra 4 - Ultimate Scientific Review!

The Quantified Scientist

▬▬▬▬▬▬▬▬▬▬👇DISCOUNTS/AFFILIATES*!👇▬▬▬▬▬▬▬▬▬▬ 📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸 Timestamps: 00:00 - Introduction 00:42 - Heart Rate Tracking 09:15 - Daily & Nighttime Measurements 14:34 - Sleep Stage Tracking 19:09 - GPS Tracking 23:23 - Final Score & Conclusion

Apple Watch Ultra profile

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