# 哪款跑步手表提供最佳的心率监测功能？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which running watch offers the best heart rate monitoring features?

## 产品列表

### Polar Polar Grit X2
```yaml
product: polar-polar-grit-x2
brand: Polar
price_gbp: 354.84
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gps: Dual-frequency GPS
barometer: true
screen_size: 1.28 in
battery_life: 30 h
waterproof_depth: 50 m
heart_rate_monitor: Gen 4 optical heart rate monitor
```

- **价格:** £354.84 [^1]
- **概述:** The Polar Grit X2 is a compact outdoor GPS watch with dual-frequency positioning, offline maps, an AMOLED touchscreen, and Polar Elixir biosensing. Its rugged design and extended GPS battery modes suit trail runners, hikers, and multisport athletes who want detailed training and recovery data.
- **最适合:** 适合追求强大心率监测功能的跑者，配备 Gen 4 光学传感器、持续心率追踪、腕部心电图，并兼容 Bluetooth 心率带。

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## 参考来源
[^1]: Polar, 访问日期 2026-09-03. https://www.polar.com/en/grit-x2