Armband Heart Rate Monitor & Calorie Sensor

I used to hate wearing tight, uncomfortable chest straps that pinched me skin and slipped down during workouts, or relying on wrist monitors that lost tracking the second me arms got sweaty. Trying to gauge your training intensity or calorie burn without accurate, real-time feedback usually leads to overtraining or wasting effort in the wrong heart rate zone. I strapped this optical sensor onto me forearm, synced it straight to me bike computer, and had spot-on heart rate tracking straight away. The 5-colour LED indicator lights up to show your exact heart rate zone at a glance so you can dial in your pace, the vibration alarm warns you if your heart rate spikes too high, and the dual Bluetooth and ANT+ connectivity pairs seamlessly with over 200 apps like Strava and Zwift. Bloody lifesaver!

• Precision optical sensor delivers accurate real-time tracking with an error margin of just ±1 BPM

• Visual 5-colour LED indicator light displays target heart rate zones instantly to optimize training intensity

• Dual Bluetooth 5.0 and ANT+ technology syncs with bike computers, smartwatches, and apps including Strava, Zwift, Polar Beat, and Elite HRV

• Integrated vibration alert triggers immediate warnings when your heart rate exceeds pre-set safety limits

• Heart Rate Variability (HRV) monitoring provides valuable data on recovery rates, strain, and overall cardiac fitness

• Soft, breathable fabric strap adjusts comfortably from 20 cm to 40 cm without pinching or slipping during heavy movement

• IP67 waterproof rating withstands intense sweat, heavy rain, and outdoor cycling conditions

• Lightweight 10.6 g sensor casing fits comfortably on the forearm or bicep as a superior alternative to chest straps

• Rechargeable lithium battery delivers up to 20 hours of continuous tracking via a quick magnetic charger

Technical Specifications

• Type: Armband Optical Heart Rate & HRV Sensor

• Materials: High-Grade ABS Sensor Housing with Soft Adjustable Fabric Strap

• Sensor Accuracy: ±1 BPM (Beats Per Minute)

• Connectivity: Bluetooth 5.0 & ANT+ Wireless Protocols

• Waterproof Rating: IP67 Dustproof and Waterproof

• Strap Adjustment Range: 20.0 cm to 40.0 cm

• Battery Life: Up to 20 Hours Continuous Operation

• Power Supply: Rechargeable Lithium Battery (DC 5V Magnetic USB Cable Included)

• Operating Temperature: 0°C to 45°C

• Sensor Dimensions: 3.3 cm x 4.0 cm x 1.0 cm

• Sensor Weight: 10.6 g

• Colour: Black

• App Compatibility: Strava, Zwift, Polar Beat, Elite HRV, DDP Yoga, and 200+ Fitness Platforms

• Package Includes: 1 x Heart Rate Armband Sensor Unit, 1 x Adjustable Fabric Strap, 1 x Magnetic Charging Cable, User Manual

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