{"product_id":"domorra-h303-heart-rate-monitor-dual-ant-bluetooth-chest-strap-sensor-for-cycling-running-fitness-more","title":"Domorra H303 Heart Rate Monitor – Dual ANT+ \u0026 Bluetooth Chest Strap Sensor for Cycling, Running, Fitness \u0026 More","description":"\u003cp data-start=\"283\" data-end=\"691\" style=\"text-align: center;\"\u003e\u003cstrong data-start=\"283\" data-end=\"326\"\u003eAccurate, Real-Time Heart Rate Tracking\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"283\" data-end=\"691\"\u003e\u003cbr data-start=\"326\" data-end=\"329\"\u003eThe \u003cstrong data-start=\"333\" data-end=\"368\"\u003eDomorra H303 Heart Rate Monitor\u003c\/strong\u003e is built for athletes and fitness enthusiasts who demand precision. Featuring a newly engineered chipset and motion-interference-resistant algorithm, it delivers \u003cstrong data-start=\"531\" data-end=\"569\"\u003eultra-accurate heart rate readings\u003c\/strong\u003e even during intense workouts. Sweat and movement won’t disrupt your training data—maximize every session with confidence.\u003c\/p\u003e\n\u003chr data-start=\"693\" data-end=\"696\"\u003e\n\u003ch3 data-start=\"698\" data-end=\"750\"\u003e\u003cstrong data-start=\"702\" data-end=\"748\"\u003eSmart LED Indicator for Real-Time Feedback\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"751\" data-end=\"1038\"\u003eStay focused on your workout with the \u003cstrong data-start=\"789\" data-end=\"811\"\u003ebuilt-in LED light\u003c\/strong\u003e, which flashes to confirm proper connection and heart rate detection. The sensor automatically activates once worn, flashing a red light to indicate it’s ready to go. Visual cues keep you informed without breaking your rhythm.\u003c\/p\u003e\n\u003chr data-start=\"1040\" data-end=\"1043\"\u003e\n\u003ch3 data-start=\"1045\" data-end=\"1100\"\u003e\u003cstrong data-start=\"1049\" data-end=\"1098\"\u003eDual Connectivity: ANT+ and Bluetooth Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1101\" data-end=\"1609\"\u003eThe Domorra H303 supports \u003cstrong data-start=\"1127\" data-end=\"1161\"\u003esimultaneous dual transmission\u003c\/strong\u003e—connect to an ANT+ cycling computer \u003cstrong data-start=\"1198\" data-end=\"1205\"\u003eand\u003c\/strong\u003e a Bluetooth fitness app at the same time.\u003cbr data-start=\"1247\" data-end=\"1250\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1273\"\u003eANT+ Compatibility:\u003c\/strong\u003e Wahoo, Bryton, Magene, IGPSPORT, Black Bird\u003cbr data-start=\"1317\" data-end=\"1320\"\u003e\u003cstrong data-start=\"1320\" data-end=\"1348\"\u003eBluetooth Compatibility:\u003c\/strong\u003e Zwift, Strava, Onelap, TrainerRoad, Rouvy, Fulgaz, Nike Run Club, Kinomap, Wahoo Fitness, Elite HRV, and more.\u003cbr data-start=\"1459\" data-end=\"1462\"\u003eAlso integrates seamlessly with connected equipment like Peloton bikes, Onelap trainers, ProForm treadmills, Echelon systems, and NordicTrack\/iFIT.\u003c\/p\u003e\n\u003chr data-start=\"1611\" data-end=\"1614\"\u003e\n\u003ch3 data-start=\"1616\" data-end=\"1660\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1658\"\u003eBuilt for Performance \u0026amp; Durability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1661\" data-end=\"1901\"\u003eMade with high-quality, wear-resistant materials, the Domorra chest strap is comfortable, durable, and designed to withstand high-intensity workouts. It’s \u003cstrong data-start=\"1816\" data-end=\"1840\"\u003eIP67 water-resistant\u003c\/strong\u003e—ideal for sweaty sessions and light rain (not for swimming).\u003c\/p\u003e\n\u003chr data-start=\"1903\" data-end=\"1906\"\u003e\n\u003ch3 data-start=\"1908\" data-end=\"1952\"\u003e\u003cstrong data-start=\"1912\" data-end=\"1950\"\u003eLong Battery Life for Extended Use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1953\" data-end=\"2151\"\u003ePowered by a high-efficiency coin cell battery, the H303 offers up to \u003cstrong data-start=\"2023\" data-end=\"2045\"\u003e1,000 hours of use\u003c\/strong\u003e—that’s about 2.5 years with typical weekly usage. Train hard without worrying about battery replacements.\u003c\/p\u003e\n\u003chr data-start=\"2153\" data-end=\"2156\"\u003e\n\u003ch3 data-start=\"2158\" data-end=\"2201\"\u003e\u003cstrong data-start=\"2162\" data-end=\"2199\"\u003eVersatile for All Training Styles\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2202\" data-end=\"2412\"\u003ePerfect for cycling, running, strength training, HIIT, soccer, basketball, and more. Whether you're chasing endurance goals or optimizing heart rate zones for fat burn, the Domorra H303 helps you train smarter.\u003c\/p\u003e\n\u003chr data-start=\"2414\" data-end=\"2417\"\u003e\n\u003ch3 data-start=\"2419\" data-end=\"2445\"\u003e\u003cstrong data-start=\"2423\" data-end=\"2443\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2446\" data-end=\"2540\"\u003e\n\u003cli data-start=\"2446\" data-end=\"2491\"\u003e\n\u003cp data-start=\"2448\" data-end=\"2491\"\u003e1x Domorra H303 Heart Rate Monitor Sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2492\" data-end=\"2521\"\u003e\n\u003cp data-start=\"2494\" data-end=\"2521\"\u003e1x Adjustable Chest Strap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2522\" data-end=\"2540\"\u003e\n\u003cp data-start=\"2524\" data-end=\"2540\"\u003e1x User Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"2542\" data-end=\"2633\"\u003e\n\u003cp data-start=\"2544\" data-end=\"2633\"\u003e\u003cstrong data-start=\"2544\" data-end=\"2553\"\u003eNote:\u003c\/strong\u003e Not suitable for swimming. Always follow pairing instructions for best results.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Domorra","offers":[{"title":"H64 HR Sensor","offer_id":46713479561436,"sku":"14:29#H64 HR Sensor","price":64.95,"currency_code":"USD","in_stock":true},{"title":"H303 HR Monitor","offer_id":46713479594204,"sku":"14:366#H303 HR Monitor","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/1638\/5500\/files\/Se2bbd002eeeb42faa6b857714d5dab74j.webp?v=1751837871","url":"https:\/\/domorra.com\/products\/domorra-h303-heart-rate-monitor-dual-ant-bluetooth-chest-strap-sensor-for-cycling-running-fitness-more","provider":"Domorra","version":"1.0","type":"link"}