CL840 Wireless Armband Heart Rate Monitor

Short Description:

This product has a high precision optical sensors and superior scientific heart rate algorithm, and can collect real-time heart rate data in the process of movement. After the exercise, the data can be uploaded to the intelligent terminal system, and the user can check the exercise data at any time through the mobile phone.IP67 waterproof, can be used for rainy days or swimming sports.

Product Detail

Product Tags

Product Introduction

This is a multifunctional exercise armband used to collect data of heart rate, calorie and step. This product has high-precision optical sensor and excellent scientific heart rate algorithm, can collect heart rate data in real time during exercise, so that you can know the exercise data in the process of fitness & body building, make corresponding adjustments according to the actual situation, and achieve the best effect.

Product Features

● Real-time heart rate data. Exercise intensity can be controlled in real time according to heart rate data, so as to achieve scientific and effective training.

● Vibration reminder. When the heart rate reaches the high-intensity warning area, the heart rate armband reminds user to control the training intensity through vibration.

● Bluetooth 5.0, ANT+ wireless transmission, compatible with iOS/Android, PC and ANT+ devices.

● Support to connect with popular fitness APP, like X-fitness, Polar beat, Wahoo, Zwift.

● IP67 waterproof, enjoy exercise without afraid of sweating.

● Multicolor LED indicator, indicate the equipment status.

● Steps and calories burned were calculated based on exercise trajectories and heart rate data.

Product Parameters




Detect real-time heart rate data

Product Size

L50xW34xH14 mm

Monitoring Range

40 bpm-220 bpm

Battery Type

Rechargeable lithium battery

Full Charging Time

2 hours

Battery Life

Up to 50 hours

Waterproof Siandard


Wireless Transmission

Bluetooth5.0 & ANT+


48 hours heart rate, 7 days calorie and pedometer data;

Strap Length



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