Description
About T-Rex Ultra:
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Stainless steel design with 47mm/1.85in case size
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Ultra-long 20-day battery life
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Heart rate, spO₂, sleep & stress monitoring
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Dual-band GPS & offline maps
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Supports 30m freediving
About Helio Ring:
- Get insights into your mental and physical readiness
- Monitor your sleep and recovery in-depth
- Made with lightweight and skin-friendly titanium alloy
- Enjoy all features without a subscription
- Data fusion with your Amazfit smartwatch
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