# What are some budget-friendly options for a heart rate monitor chest strap? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are some budget-friendly options for a heart rate monitor chest strap?

## Products

### Coospo H6 Heart Rate Monitor
```yaml
product: coospo-h6-heart-rate-monitor
brand: Coospo
price_gbp: 25.89
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
battery_life: 300 hours
compatibility: Bluetooth and ANT+; iPhone and Android; third-party apps
waterproof_rating: IP67
heart_rate_accuracy: High precision
```

- **Price:** £25.89 [^1]
- **Summary:** The Coospo H6 is a chest-strap heart rate monitor with high-precision tracking, Bluetooth and ANT+ connectivity, IP67 water resistance, and a replaceable CR2032 battery lasting up to 300 hours. It suits runners, cyclists, gym users, and anyone who wants to connect heart rate data to a phone, fitness app, bike computer, or smartwatch.
- **Ideal For:** It is a budget-friendly chest strap option because it offers high-precision tracking, Bluetooth and ANT+ compatibility, IP67 water resistance, and up to 300 hours of battery life.

### 4iiii Viiiiva Heart Rate Monitor
```yaml
product: 4iiii-viiiiva-heart-rate-monitor
brand: 4iiii
price_gbp: 66.4
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
battery_life: 540+ hours
compatibility: ANT+ and Bluetooth
monitoring_range: 30 - 240 bpm
waterproof_rating: IPX7
chest_strap_material: Soft elastic
```

- **Price:** £66.4 [^2]
- **Summary:** The 4iiii Viiiiva is a chest-strap heart rate monitor with ANT+ and Bluetooth connectivity, a 30 - 240 bpm monitoring range, and over 540 hours of battery life from a replaceable CR2032 battery. Its IPX7 water resistance and broad device compatibility make it suitable for runners, cyclists, indoor training users, and other athletes.
- **Ideal For:** It suits budget-conscious users who want accurate chest-strap monitoring with ANT+ and Bluetooth compatibility, IPX7 water resistance, and over 540 hours of battery life without frequent battery changes.

### Coospo Coospo H9Z
```yaml
product: coospo-coospo-h9z
brand: Coospo
price_gbp: 31.72
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
battery_life: 50 hours
compatibility: Bluetooth 5.0 and ANT+
waterproof_rating: IP67
heart_rate_accuracy: +1 bpm
```

- **Price:** £31.72 [^3]
- **Summary:** The Coospo H9Z is a rechargeable chest-strap heart rate monitor that broadcasts heart-rate data via Bluetooth 5.0 and ANT+. It supports HRV and heart rate zone tracking with a 5-color LED, and is rated IP67 for sweat and rain. It's designed for workouts where you want more stable heart-rate sensing than wrist/optical options and need compatibility with common fitness apps and bike computers.
- **Ideal For:** It's a budget-friendly chest strap option because it offers 50 hours battery life on each charge and dual Bluetooth 5.0 and ANT+ compatibility, plus IP67 waterproofing.
- **Additional Sources:** [^4], [^5]

---
## References & Sources
[^1]: Coospo, accessed 2026-09-13. https://www.coospo.com/products/h6-chest-strap-heart-rate-monitor
[^2]: 4iiii, accessed 2026-09-13. https://shop.4iiii.com/products/viiiiva
[^3]: COOSPO, accessed 2026-09-13. https://www.coospo.com/products/h9z-chest-heart-rate-monitor
[^4]: Perform Well, accessed 2026-09-13. https://www.perform-well.com/products/heart-rate-monitor-with-sensor
[^5]: Walmart, accessed 2026-09-13. https://www.walmart.com/ip/COOSPO-H9Z-Rechargeable-heart-rate-monitor-BT5-0ANT-for-Garmin-wahoo-Zwift/5441305980