moofit HW401 armband heart rate monitor, IP67 💓

This arm strap heart rate monitor delivers continuous pulse tracking on the upper arm and is aimed at athletes who want accurate, real-time heart rate data during workouts. It uses optical sensor technology with high stated precision, and pairs with common training apps and equipment for cycling, running and gym sessions.

Key Points

The armband measures heart rate via an optical sensor that the manufacturer claims achieves accuracy of up to ±1 bpm during testing. It supports both Bluetooth and ANT+ connections, so you can link the unit to fitness bikes, watches and smartphone apps such as Wahoo and Strava. A small LED provides visual feedback on pairing and heart rate detection, which helps during busy group classes or outdoor rides. 🚴♂️

Designed for sweat and rain, the unit carries an IP67 rating that protects against perspiration and splashes, although it is not intended for swimming. The bracelet is rechargeable and includes a magnetic charging cable, offering more than 20 hours of continuous use on a single charge according to the manufacturer. This long runtime suits longer training days and multi-session use.

The strap is presented in dark black and has a low-profile shape that stays out of the way when cycling or lifting. Connectivity versatility and battery endurance make it a practical choice for people who want a lightweight sensor that integrates with established training ecosystems. 📱

Technical Specifications

• Name: moofit HW401 Heart Rate Monitor Armband
• Sensor type: Optical heart rate sensor
• Accuracy: ±1 bpm (according to the manufacturer)
• Connectivity: Bluetooth and ANT+
• Water resistance: IP67
• Battery life: Up to 20+ hours continuous use, rechargeable with magnetic cable
• Colour: Dark black

Usage Recommendations

Wear the band on the upper arm where it sits snugly but comfortably, avoiding loose placement to preserve reading quality. For best results, ensure the sensor area is clean and make sure the strap has good contact with the skin during movement. When pairing, wait for the LED to indicate a stable heart rate reading before starting a session to avoid miscounts. 🔋

Consider that optical arm straps can be influenced by very rapid arm movements or very cold conditions, which may slightly affect readings. If you use multiple devices at once, check the app or equipment to confirm which sensor is selected to avoid data conflicts.