CL837 LED Indicator Blood Oxygen Real-Heart Rate Monitor

Short Description:

CL837 is a multi-functional heart rate armband with high-precision photoelectric sensor to accurately monitor movement data,can effectively help users monitor heart rate data, calories and steps in real time; It can also monitor body temperature and blood oxygen. Button-free design, simple appearance,soft and adjustable strap with velcro.

Product Detail

Product Tags

Product Introduction

This is a multifunctional exercise armband used to collect data of heart rate, calorie, step, body temperature and blood oxygen. Optical sensor technology for highly accurate heart rate monitoring. It supports continuously measure real time heart rate data during exercise. The armband also can track and capture training zones and calories burned on your smartphone or tablet with compatible training apps. Monitor HR zones with different color LED light, let you see your exercise status more intuitively. 

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.

● Equipped with body temperature and oxygen function

● 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.

● Compatible with BLUETOOTH5.0& ANT+: Great for work with smartphones, Garmin, Wahoo sport watches/GPS bike computers/fitness equipment and many other devices which support Bluetooth & ANT+ connection.

● 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

● Button-free design, simple appearance, comfortable and replaceable arm strap, nice magic tape, easy to wear.

Product Parameters




Detect real-time heart rate data , step, calorie, body temperature, blood oxygen

Product Size

L47xW30xH11 mm

Monitoring Range

40 bpm-220 bpm

Battery Type

Rechargeable lithium battery

Full Charging Time

2 hours

Battery Life

Up to 60 hours

Waterproof Siandard


Wireless Transmission

Bluetooth5.0 & ANT+


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

Strap Length


CL837 blood oxygen HRM 1
CL837 blood oxygen HRM 2
CL837 blood oxygen HRM 3
CL837 blood oxygen HRM 4
CL837 blood oxygen HRM 5
CL837 blood oxygen HRM 6
CL837 blood oxygen HRM 7
CL837 blood oxygen HRM 8
CL837 blood oxygen HRM 9
CL837 blood oxygen HRM 10
CL837 blood oxygen HRM 11

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