Magene H303 Heart Rate Monitor — Frequently Asked Questions

Everything you need to know about the Magene H303 chest strap heart rate monitor, available in Singapore from Bikers.SG with local stock and warranty support.

What is the Magene H303?

The Magene H303 is a chest strap heart rate monitor that transmits accurate heart rate data via ANT+ and Bluetooth to compatible cycling computers, smartwatches, and training apps. It is designed for cyclists, runners, and fitness users who want reliable heart rate monitoring at an accessible price point.

What are the key features of the Magene H303?

• Accurate chest strap heart rate measurement
• ANT+ and Bluetooth dual transmission
• Compatible with Garmin Edge cycling computers, Magene bike computers, and most ANT+/Bluetooth devices
• Replaceable CR2032 battery
• Soft, adjustable strap for comfort during long rides and runs
• Lightweight and easy to use

Is the Magene H303 compatible with Garmin Edge cycling computers?

Yes. The H303 transmits via ANT+ and Bluetooth, making it fully compatible with Garmin Edge cycling computers including the Edge 550, Edge 850, and Edge 1050, as well as Magene bike computers such as the C606 V2, C606 Pro, and C706.

Does the Magene H303 work with Zwift and other training apps?

Yes. The H303 connects via Bluetooth to smartphones and tablets running Zwift, TrainerRoad, Strava, and other popular training apps. It also connects via ANT+ to compatible head units and dongles.

What battery does the Magene H303 use and how long does it last?

The H303 uses a standard CR2032 coin cell battery. Battery life varies with usage frequency but typically lasts several months under regular training use. The battery is user-replaceable.

Is the Magene H303 waterproof?

Yes. The H303 is water-resistant and suitable for use in rain and sweat-heavy conditions. The pod is removable from the strap for washing. The strap is hand washable.

How do I pair the Magene H303 to my bike computer?

1. Moisten the electrode pads on the back of the strap and put it on — this activates the sensor.
2. On your bike computer, go to Settings > Sensors > Add Sensor.
3. Select Heart Rate from the sensor type list.
4. The computer will scan and detect the H303 — select it to pair.
5. Heart rate will now display on your computer during rides.

How does the Magene H303 compare to the Magene H613 and H803?

The H303 is Magene’s entry-level chest strap HRM, offering reliable ANT+ and Bluetooth heart rate transmission at an accessible price. The H613 is a more advanced chest strap model with improved accuracy and additional features. The H803 is an optical armband HRM for users who prefer not to wear a chest strap. All three are available from Bikers.SG.

Is there a more advanced heart rate monitor alternative?

Yes. Bikers.SG also carries the Magene H613, Magene H803 armband, Polar H10, Garmin HRM 200, and Garmin HRM 600 — all ANT+ and Bluetooth compatible and suitable for use with Garmin Edge and Magene cycling computers.

Is the Magene H303 available in Singapore?

Yes. The Magene H303 is available from Bikers.SG with Singapore-ready local stock. We offer island-wide delivery and local pickup. All units sold by Bikers.SG come with warranty support.

What warranty does the Magene H303 come with when purchased from Bikers.SG?

The Magene H303 purchased from Bikers.SG comes with the standard Magene manufacturer warranty. For warranty claims and after-sales support, contact us directly at Bikers.SG and we will assist you with the process.

Who should I contact for support after purchasing from Bikers.SG?

For any product questions, setup assistance, or after-sales support, contact us via the Bikers.SG contact page. We are based in Singapore and provide local support for all products we sell.