SKU:MTMGH303
Magene H303 Heart Rate Monitor
$34.00
$34.00
$34.00
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In stock (15 units), ready to be shipped
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Description
The Magene H303 is a dual-protocol chest strap heart rate monitor that connects simultaneously to both ANT+ devices and Bluetooth smartphones, so your Garmin head unit and your training app can record data at the same time. With a wide HR range of 30–240 BPM, ±1 BPM accuracy, 1000-hour battery life, and IP67 waterproofing, it’s built for serious cyclists and triathletes who demand reliable data across long training sessions.
Key Features
- Dual protocol — connects to ANT+ and Bluetooth 4.2 simultaneously
- Wide HR range: 30–240 BPM with ±1 BPM accuracy
- 1000-hour battery life (CR2032)
- IP67 waterproof — sweat and rain resistant
- Lightweight monitor (16g) with adjustable elastic chest strap (64–86 cm)
- Compatible with Garmin, Wahoo, Zwift, and most ANT+/Bluetooth training apps
Specifications
- Connectivity: Bluetooth 4.2 + ANT+
- HR range: 30–240 BPM
- HR accuracy: ±1 BPM
- Battery: CR2032 ×1, up to 1000 hours
- Water resistance: IP67
- Monitor weight: 16g
- Strap weight: 30 ±1g
- Dimensions: 62.3 × 35.1 × 11.5 mm
- Chest strap length: 64–86 cm (±2 cm)
- Box contents: 1x H303 monitor, 1x CR2032 battery (pre-installed), 1x adjustable elastic strap
Strap care: Rinse under running water after every use and hang to dry. Do not machine wash or tumble dry.
1-year local warranty from date of purchase. All SG stock with tracked delivery — usually received within two days. Self-collection available.
Fuel Your Ride — Hydration for Singapore & Southeast Asian Cyclists
In Singapore's heat and humidity — where sweat rates can exceed 1,000mg of sodium per hour — hydration is a performance factor, not an afterthought. Plain water isn't enough; it dilutes blood sodium and accelerates fatigue.
tenplus Phyto-Hydration Made for SE Asia
- 480mg sodium per serving — matched to tropical sweat rates
- Zero added sugar — control your carb intake separately through gels or food
- 175mg potassium + 40mg magnesium — muscle function and cramp prevention
- 25 calories per serving — daily-use friendly
- Plant-based Phyto formula: Panax Ginseng, Moringa, Turmeric, Green Tea, Noni & Tamarind
- Mild natural caffeine (37.5mg) from green tea — sustained focus, no jitters
- GMP-certified manufacturing in Indonesia
Designed for endurance rides in Singapore, Malaysia, Thailand, Indonesia, the Philippines, and Vietnam.
Shop tenplus Phyto-Hydration →💡 Your gear tracks the data. tenplus protects the performance behind it. Read the full tropical hydration guide →
Frequently Asked Questions
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. 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?
Key features include: accurate chest strap heart rate measurement; ANT+ and Bluetooth dual transmission; compatible with Garmin Edge computers, Magene bike computers, and most ANT+/Bluetooth devices; replaceable CR2032 battery; soft adjustable strap; and lightweight easy-to-use design.
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 computers including the Edge 550, 850, and 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 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, and the strap is hand washable.
How do I pair the Magene H303 to my bike computer?
Moisten the electrode pads on the back of the strap and put it on to activate the sensor. On your bike computer, go to Settings > Sensors > Add Sensor. Select Heart Rate. The computer will scan and detect the H303 — select it to pair. Heart rate will then display during rides.
How does the Magene H303 compare to the Magene H613 and H803?
The H303 is Magene's entry-level chest strap HRM at an accessible price. The H613 is a more advanced chest strap 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 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 at bikers.sg/pages/contact. We are based in Singapore and provide local support for all products we sell.