Product Price Heart Rate Accuracy (%) Waterproof Rating (IPX) Battery Life (hours) Compatibility Chest Strap Material Monitoring Range (beats per minute (bpm))
Coospo H6 Heart Rate Monitor
US
£25.89 High precision IP67 300 hours Bluetooth and ANT+; iPhone and Android; third-party apps

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
US
£66.40 IPX7 540+ hours ANT+ and Bluetooth Soft elastic 30 - 240 bpm

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
US
£31.72 +1 bpm IP67 50 hours Bluetooth 5.0 and ANT+

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.