Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
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For the outdoor enthusiast who pushes beyond the trailhead, the Amazfit T-Rex 3 is your rugged companion. It’s built for checking your route mid-hike or tracking a surf session, with a screen so bright you can read maps in direct sun and a body that shrugs off extreme heat and cold.
Experience true adventure freedom with dual-band GPS that locks on fast, even under dense tree cover, and download free offline maps so you stay oriented without a phone signal. The 27-day battery life means you can focus on your journey, not on charging. With over 170 sport modes and AI-generated training plans, it adapts to your goals, whether you’re training for an ultramarathon or a weekend ski trip.
Take control with your voice using the AI voice assistant for hands-free operation and send quick replies on the go. Your data stays secure with enhanced privacy protection, letting you disable GPS storage when needed. This smartwatch connects seamlessly to your Android or iPhone, delivering reliability where it counts.
| This item | Recommendations | |||||
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Amazfit A2323-Grey Gray Built for Adventure
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DREMAC DM1-A
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LIGE EF6-A
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BRUBOSES V17 Outdoor adventure ready
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AMAZTIM M3 60+ days ultra-long battery life
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AMAZTIM M3E Built-in GPS with 6 satellite positioning
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| Brand | Amazfit | DREMAC | LIGE | BRUBOSES | AMAZTIM | AMAZTIM |
| Model | A2323-Grey | DM1-A | EF6-A | V17 | M3 | M3E |
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| Price | €249.16 | €26.69 | €53.39 | €22.24 | €78.72 | €106.78 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 9, 2026 | Mar 23, 2026 | Mar 21, 2026 | Mar 21, 2026 | May 14, 2026 | May 18, 2026 |
| Display Size | 48 | 1.43 Inches | 1.43 inches | |||
| Item Weight | 8 ounces | 8.8 ounces | 216 Grams | 324 Grams | ||
| Battery Capacity | 530mAh | 530 mAh | 480mAh | |||
| Package Dimensions | 6.7 x 4.4 x 1 inches | 7.09 x 3.82 x 0.94 inches | 4.33 x 3.86 x 2.24 inches | |||
| batteries | 1 CR5 batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 A batteries required. | |||
| Standing Screen Display Size | 2.01 Inches | 2 Inches | 1.96 Inches | |||
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