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Amazfit T-Rex Smartwatch with Heart Rate, Sleep, Stress Monitoring, SpO2 & Temperature Measurement, Military-grade Design, 100+ Sports Modes, 18-Day Battery Life, Steel Blue (Renewed): Amazon.co.uk: Sports & Outdoors
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Amazfit T Rex 2 Smart Watch, Premium Multisport GPS Sports Watch, Real-time Navigation, Strength Exercise, 150+ Sports Modes, Heart Rate, SpO2 Monitoring, Ember Black : Amazon.co.uk: Electronics & Photo
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