# CooSpo H9Z heart rate monitor chest strap

The CooSpo H9Z heart rate monitor is a rechargeable chest-strap sensor with Bluetooth 5.0 and ANT+ connectivity. It is aimed at people who want heart-rate data for compatible phones, bike computers, watches and training apps, though customer feedback is mixed on accuracy, reliability and charging.

- [Original product page](https://bargainpostbox.co.uk/product/coospo-h9z-heart-rate-monitor-chest-strap)
- [View offer](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: CooSpo
- Model: H9Z
- Category: Sports & Outdoors > Fitness & Exercise > Exercise Accessories
- Price: 33.15 GBP
- Previous price: 49.99 GBP
- Discount: 34%
- Price checked: 2026-11-14T10:14:45.435Z
- Rating: 3.2 / 5
- Reviews: 778

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Uses Bluetooth 5.0 Low Energy and ANT+ to connect with supported devices and training apps.
- A five-colour LED indicates heart-rate zones, and the listing also claims HRV support.
- The fabric chest strap is adjustable across a stated 25–36 inch range.
- Manufacturer claims up to 50 hours of use per charge.

## Pros

- Bluetooth and ANT+ support gives it options for pairing with compatible phones, bike computers and gym equipment.
- Rechargeable battery avoids routine battery replacement, according to the listing.
- An adjustable fabric strap and colour-coded heart-rate zones provide practical training features.

## Cons

- Chest-strap wear may not suit buyers looking for a wrist-worn or non-chest sensor.
- Customer feedback describes mixed accuracy and reliability, so it may be a poor fit when dependable readings are essential.

## Specifications

### Identity
- Brand: CooSpo
- Model: H9Z
### Display and video
- Screen size: 0.96 Inches
### Power and battery
- Battery life listed: 8760 Hours
- Battery type: Lithium-Ion
### Dimensions and installation
- Weight listed: 55 Grams
- Strap adjustment range: Strap adjustment range:25-36 inches
### Sensor and compatibility
- Sensor type: PPG
- Compatible devices: IOS & Android devices, bike computers
### Connectivity and functions
- Other wireless connection: ANT+
- Heart-rate zone indicator: 5-color led light
- Heart rate variability: HRV

## Before you buy

- The listing gives conflicting battery-life figures: 8760 Hours in its specifications and up to 50 hours per charge in the feature text. Treat the runtime as unconfirmed and check the selected listing. The claimed ±1bpm accuracy is a manufacturer claim, not an independent measurement.

## In the box

- CooSpo H9Z heart rate monitor (Included)
- Soft chest strap (Included)
- User manual (Included)

## A good fit for

- Cyclists and indoor-training users who want heart-rate data sent to compatible bike computers, gym equipment or apps.
- Buyers seeking a rechargeable chest strap with both Bluetooth and ANT+ connections.
- Training users who may find heart-rate zone lights and HRV support useful, subject to compatible equipment or apps.

## Less suited to

- Anyone who needs confirmed long battery runtime or consistently reliable readings based on the available customer feedback.
- Buyers who prefer a wrist-based monitor or do not want to wear a chest strap.

## Customer feedback

Customer feedback highlights easy connections with watches, Zwift trainers and cycling apps, but reports are mixed on reliability, accuracy and battery performance. Some customers describe interruptions or inaccurate readings, while others praise battery life. For workouts where readings need to be dependable, that uncertainty matters more than the listing’s claimed accuracy. Opinions on value are also divided.
- Positive themes: Customers report that it connects easily to some watches, Zwift trainers and cycling apps.
- Negative themes: Some customers report that the monitor stopped working during workouts, produced inaccurate readings or had charging problems.
- Mixed feedback: Battery-life and value-for-money experiences are divided.

## Frequently asked questions

### Which devices can the CooSpo H9Z connect to?
The listing specifies iOS and Android devices and bike computers. It also claims Bluetooth and ANT+ compatibility with various watches, gym equipment and training apps, but check compatibility with your particular device and app.
### How long does the battery last?
The feature text claims up to 50 hours on a charge, while the specification table lists 8760 Hours. These figures conflict, so the actual runtime is unconfirmed.
### What chest size does the strap fit?
The stated strap adjustment range is 25–36 inches.
### Does the H9Z support heart-rate variability?
The listing claims HRV support. Check whether your chosen receiving device or app supports the function.

## Alternative options

- [Frontier Heart Rate Monitor Chest Strap – Accurate HR Tracking with ZONE2 Training, Strain & Breathing Insights, Real-Time Alerts, Comfortable Wearable for Endurance Training, Running & Cycling](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [COOSPO Heart Rate Monitor Chest Strap,Bluetooth ANT+ Chest HRM for Running Cycling Gym Fitness, Heart Rate Monitors IP67 Waterproof Compatible with Strava Zwift Wahoo Garmin Polar Peloton App](https://bargainpostbox.co.uk/visit/coospo-h808s-heart-rate-monitor-chest-strap)
- [COOSPO H6 Heart Rate Monitor Chest Strap,Bluetooth ANT+ HRM,for Running Cycling Gym Sports](https://bargainpostbox.co.uk/visit/coospo-h6-heart-rate-monitor-chest-strap)
- [Polar H9 XS-S Heart Rate Sensor Bluetooth & ANT+ \| Fits 66–95 cm chest, Soft chest strap, Waterproof, Sports & fitness](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [KardiaMobile 1-Lead Personal ECG Heart Rate Monitor + 1 Month Free of KardiaCare - Record ECGs at Home, Detects Atrial Fibrillation, Trusted by the NHS, Fast Results, Works with Most Smartphones](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [KardiaMobile 6-Lead ECG Heart Rate Monitor with 1-Month KardiaCare \| Portable 6-lead ECG, easy to use, records medical-grade heart rhythm, includes 1-month KardiaCare membership, NHS Trusted](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [Polar H10 M-XXL Heart Rate Sensor Bluetooth & ANT+ \| Fits 66–95 cm chest, ECG/EKG accuracy, HRV tracking, Waterproof](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [COOSPO Heart Rate Monitor Chest Strap,Bluetooth ANT+ Chest HRM for Running Cycling Gym Fitness, Heart Rate Monitors IP67 Waterproof Compatible with Strava Zwift Wahoo Garmin Polar Peloton App](https://bargainpostbox.co.uk/visit/coospo-bluetooth-ant-plus-chest-strap-heart-rate-monitor)
- [Polar Verity Sense Optical Heart Rate Sensor Bluetooth & ANT+ \| Swim mode, Internal memory, ANT+ & Dual Bluetooth, Peloton & Zwift compatible](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [Vitade ECG Monitor,Portable ECG Heart Rate Monitor for Home Use,Heart Rhythm Tracking Portable EKG Devices for Smartphones](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)
- [Myzone Switch Physical Activity Heart Rate Monitor – A Water Proof Fitness Tracker for Wrists, Arms & Chest](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)

## Add-ons

- [COOSPO Bike Cadence Speed Sensor BK467, Bluetooth ANT+ Cadence Sensor for GPS Bike Computers, Tracking Cycling Speed and Distance RPM, Compatible with Zwift Wahoo Peloton Openrider Rouvy APP](https://bargainpostbox.co.uk/visit/coospo-h9z-heart-rate-monitor-chest-strap)

## Images

![CooSpo H9Z heart rate monitor chest strap — 1](https://bargainpostbox.co.uk/i/rHsABEDSjdq8ejpcNP6vqczWUH2MRNH2T02DYON87aTN_RGDHGHAA4qrzimRxuepxVaZEDdYkjwCpoSbW72x-4X5H1YS5IsBq4en3yqhEybdGjCg6ZxuIca4.jpg)

![CooSpo H9Z heart rate monitor chest strap — 2](https://bargainpostbox.co.uk/i/BjDAdK0u5lWrQRkvYC873vLaN6ZWLH3fd46mcLA7U5MWnXl0EZHrL-mRkiK63ixQG68LglXncQFM8guaCaUmc49ZHRd1mjEyA9s6bLRY6yDwxglokGpf90gv.jpg)

![CooSpo H9Z heart rate monitor chest strap — 3](https://bargainpostbox.co.uk/i/XGjdACGHcs7bh7Ps4eynCGG3D3qKqObmOmE7EKzo4CodTFekP_RiGbYD2EMyPdezFhoCClpWRxy8sQphi8QKSyEvvDZCPDdly4qXeDvcPlt5B-_dA_8mk28i.jpg)

![CooSpo H9Z heart rate monitor chest strap — 4](https://bargainpostbox.co.uk/i/n4Za1VN2x0YJIjqyFyVu2x3jWkQJligB0nEMbRw7ufwVzTifT9-Othes7EG7l0Wap-YQDC5X3aSh247j509gCnJz2ZCMjugtsJJcxLwlfXg0J-R4_OA96b1F.jpg)

![CooSpo H9Z heart rate monitor chest strap — 5](https://bargainpostbox.co.uk/i/qNDI3Rmj_qsPgCGEnxENidNIkdKdcvcDYsoizMUqMoy1bBdNAucG-nLVcrYh9umDY3sEF0U8HONOQHnlGGsIdgK8x_XEQ9vr1JEdbzinP3wYhsYnYELt11mA.jpg)

![CooSpo H9Z heart rate monitor chest strap — 6](https://bargainpostbox.co.uk/i/JAOhepRKdDFVt_r9ne7cLN_pNwXtnpRBudJ4qMeRZOBQOtr-sPpNuEgLD_A0A2rmSWqkP5LrnBWXhSL5_CJjKlJT_ZrfXxi11KsmY_-m4hEaI_8pIDTPtFOL.jpg)

![CooSpo H9Z heart rate monitor chest strap — 7](https://bargainpostbox.co.uk/i/znpEGdnN2rYI1kH2caRXbcQ2Cb4Xb218AfcwcL89MgzruzTrxexaFeqKJw7eGqOPs0OOGbKUfEhLSxAv7FIG_eFM2aSmCMtSJcuWZmOUNADMiAFsG7AEZ2Wu.jpg)