哪些最小、最轻且适合日常佩戴的健身追踪器？
| Product ⇅ | Price ⇅ | **心率监测器：** 心率监测 ⇅ | **计步器：** 计步 ⇅ | **已消耗卡路里：** 卡路里消耗 ⇅ | **睡眠追踪：** 睡眠追踪 ⇅ | **活动追踪：** 活动追踪 ⇅ | **电池续航：** 电池寿命 (hours) ⇅ | **防水等级：** 防水等级 ⇅ |
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Amazfit Amazfit Helio Ring
US
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£112.43 ≈ | ✓ | 三轴加速度传感器（计步） | — | ✓ | 是（活动与锻炼跟踪） | 最长可达4天 | 10 ATM（100米） |
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The Amazfit Helio Ring is a lightweight titanium-alloy smart ring that measures heart rate, blood-oxygen, EDA/stress, temperature, sleep stages and activity using PPG and motion sensors, and syncs to the Zepp app. It offers up to 4 days battery life, wireless charging, and 10 ATM water resistance, making it suitable for continuous wear and swimming. It comes in multiple sizes and targets users who want a discreet, ring-form health tracker. ★ 适合人群适合追求最小/最轻日常健身追踪器的人群，因为它重约 3.65-3.82g，宽度为 8mm，并在戒指形态下提供持续心率、睡眠和活动追踪。 |
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Circular Circular Ring 2
US
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£179.14 ≈ | ✓ | 是（步数计数） | 是（估算活动及静息消耗的卡路里） | ✓ | 是（运动会话，30+项运动，活动强度，通过手机GPS） | 最长可达7天（省电/节能模式）和约4天（性能模式） | IP68 |
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Circular Ring 2 is a titanium smart ring that offers continuous heart-rate monitoring, on-demand FDA-cleared ECG, SpO2, HRV, detailed sleep-stage analysis, activity and calorie tracking, and an AI coaching assistant (Kira). It's very lightweight (about 2 grams) with multi-day battery life and an IP68 waterproof rating, suited for all-day wear and clinical-grade heart rhythm checks. ★ 适合人群适合追求最小/最轻日常佩戴的人群，因为它重约 2 grams，采用钛金属制造，并提供持续心率、睡眠阶段监测及多天电池续航（可达 7 days）。 |
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RingConn RingConn Gen 2 Air
US
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£149.16 ≈ | ✓ | Yes | Yes | ✓ | 步数、锻炼、运动时长 | 最长可达10天 | 100m/328ft |
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The RingConn Gen 2 Air is an ultra-thin (2mm) smart ring weighing 2.5-4g that provides continuous heart rate, SpO2, temperature, sleep stage tracking, and activity metrics with AI-driven insights. It offers up to 10 days battery life and an IP-like 100m/328ft waterproof rating, suited for users wanting minimal, always-on health monitoring in a discreet form factor. ★ 适合人群适合追求最小且最轻日常健身追踪器的人群，因为它仅 2mm 超薄，重量 2.5-4g，并提供 24/7 心率、步数、卡路里、睡眠阶段追踪及最长可达 10 days 的电池续航。 |
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Samsung Samsung Galaxy Ring
US
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£224.86 ≈ | ✓ | 是（步数跟踪并自动检测步行与跑步） | 是（按活动及总计跟踪消耗的卡路里） | ✓ | 是（自动跟踪步行和跑步、活动时间、运动检测） | 最长可达7天（12号和13号尺寸最多可达6天；充电座可将使用时间延长至最多14天） | 10ATM 和 IP68 |
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The Samsung Galaxy Ring is a titanium smart ring that uses three sensors (accelerometer, optical bio-signal, skin temperature) to provide continuous heart rate monitoring, sleep staging, activity auto-detection, calorie estimates and cycle tracking. It offers up to seven days of battery life, 10ATM/IP68 water resistance and integrates with Samsung Health and Galaxy AI for personalized insights. It suits users who want unobtrusive 24/7 health and sleep tracking without a wrist device. ★ 适合人群适合追求最小/最轻日常佩戴的人群，因为其钛金属戒指形态在紧凑的手指佩戴设计中提供持续心率和睡眠追踪，电池续航可达 7 days。 |
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