---
product_id: 414906832
title: "Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs"
brand: "magene"
price: "¥8068"
currency: JPY
in_stock: true
category: "Magene"
url: https://www.desertcart.jp/products/414906832-magene-h303-heart-rate-monitor-heart-rate-sensor-chest-strap
store_origin: JP
region: Japan
---

# IP67 water resistance Dual ANT+/Bluetooth sync 1000h battery life Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs

**Brand:** magene
**Price:** ¥8068
**Availability:** ✅ In Stock

## Summary

> ❤️‍🔥 Track Every Beat, Own Every Workout! 🔥

## Quick Answers

- **What is this?** Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs by magene
- **How much does it cost?** ¥8068 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/414906832-magene-h303-heart-rate-monitor-heart-rate-sensor-chest-strap)

## Best For

- magene enthusiasts

## Why This Product

- Trusted magene brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Durable, sweat-resistant materials with IP67 rating for reliable performance across all sports except swimming.
- • **Stay In The Zone:** Flashing LED indicator keeps you informed of your heart rate and connection status without breaking focus.
- • **Long-Lasting Power:** Up to 1000 hours of battery life means less downtime and more consistent training progress.
- • **Precision in Motion:** Advanced noise-cancelling tech ensures accurate heart rate tracking even during intense workouts.
- • **Seamless Connectivity:** Simultaneously streams data via ANT+ and Bluetooth to your favorite fitness apps and devices.

## Overview

The Magene H303 Heart Rate Monitor chest strap combines cutting-edge noise reduction technology with dual ANT+ and Bluetooth connectivity, delivering precise heart rate data across multiple platforms. Its durable, sweat-resistant design and IP67 water resistance make it ideal for diverse sports, while a long-lasting 1000-hour battery ensures uninterrupted performance. The built-in LED indicator keeps you connected and focused, empowering you to maximize every training session.

## Description

desertcart.com: Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs : Sports & Outdoors

## Features

- New Design: Newly designed hardware and algorithms avoiding the noise interference caused by movement and sweating，help you accurately monitor your heart rate while exercising, maximizing your exercise results.
- LED Light Reminding: H303 has a flashing LED light that confirms your heart rate and connection, allowing you to easily stay focused and improve efficiency during any activity or exercise. After the sensor is properly worn, it will automatically turn on, the front LED flashes (turns off after 10 times). * Note: The red light indicates that the monitor is ready to use.
- Compatibility: 2 data copies for 1 workout, recording via ANT+ device and Bluetooth App at the same time, with the stable transmission. Compatible via ANT+: Magene, Wahoo, IGPSPORT, Bryton, Black Bird. Compatible via Bluetooth: Zwift, Onelap, Strava, Kinomap, Wahoo Fitness, TrainerRoad, Rouvy, Fulgaz, Nike Run Club, Openrider, Elite HRV,etc..
- Magene H303 Heart Rate Monitor can also be connected with fitness equipment, like Peloton bike, Onelap bike, Nordic treadmill, Pro-Form treadmill/ iFIT treadmill/Echelon and many others.
- Versatility: Made from durable, wear-resistant materials that won't break, or tear. IP67 water resistance but not for swimming. The Magene H303 heart rate monitor can be used in almost all sports such as cycling, fitness, soccer, tennis, running, basketball, etc.
- Battery Life: Lasts for 1000 hours, 1 hour per day, 4 times per week, 2.5 years working time. *The battery life data are based on a laboratory test. The actual situation may be slightly different due to the use environment and other factors.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QKVLFBJ |
| Battery Average Life | 1000 hours |
| Battery Description | Lithium-Ion |
| Best Sellers Rank | #48,306 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #38 in Heart Rate Monitors (Sports & Outdoors) |
| Brand | Magene |
| Brand Name | Magene |
| Color | H303 |
| Compatible Devices | Smartphones |
| Customer Reviews | 4.2 out of 5 stars 468 Reviews |
| Included Components | Battery |
| Item Dimensions L x W x H | 2.45"L x 1.38"W x 0.45"H |
| Item Type Name | heart rate monitor |
| Item Weight | 0.06 kg |
| Manufacturer | Magene |
| Manufacturer Part Number | H303 |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | H303 |
| Product Dimensions | 2.45"L x 1.38"W x 0.45"H |
| Sensor Type | Wearable |
| Software Update Supported to Date | unknown |
| UPC | 899385372846 |
| Warranty Description | 1 year |

## Product Details

- **Battery Description:** Lithium-Ion
- **Battery Life:** 1000 hours
- **Brand:** Magene
- **Color:** H303
- **Compatible Devices:** Smartphones
- **Item Weight:** 0.06 kg
- **Material:** Plastic
- **Product Dimensions:** 2.45"L x 1.38"W x 0.45"H
- **Sensor Type:** Wearable
- **UPC:** 899385372846

## Images

![Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs - Image 1](https://m.media-amazon.com/images/I/61IdRbaU+ZL.jpg)
![Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs - Image 2](https://m.media-amazon.com/images/I/51V9pklyGUL.jpg)
![Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs - Image 3](https://m.media-amazon.com/images/I/61BSbE5cbUL.jpg)
![Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs - Image 4](https://m.media-amazon.com/images/I/41GNYtPQ-VL.jpg)
![Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs - Image 5](https://m.media-amazon.com/images/I/61V3nyJ+gjL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Is it compatible with garmin watch?**
A: Yep

**Q: Does one have to do anything to turn it off and save battery when not in use?**
A: After the sensor is properly worn, it will automatically turn on, the front LED flashes (turns off after 10 times). * Note: The red light indicates that the monitor is ready to use.

**Q: Will this connect with Nu Step cross trainer?**
A: It syncs with all my set ups -  Garmin, Wahoo and my Schwinn Carbon Blue Spin bike computer  (who know who made that)

**Q: Will this connect to the cardio machines at the gym?**
A: I connected to my phone using bluetooth

## Frequently Bought Together

- Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs
- Magene C606 Smart Navigation GPS Bike Computer with Offline Map, 2.8-inch Color Touchscreen, WiFi & Bluetooth Cycling Computer, 11 Languages, IPX7 Waterproof

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**Shop now:** [https://www.desertcart.jp/products/414906832-magene-h303-heart-rate-monitor-heart-rate-sensor-chest-strap](https://www.desertcart.jp/products/414906832-magene-h303-heart-rate-monitor-heart-rate-sensor-chest-strap)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-10*