Single-lead Holter Recorder


Make your exercise healthier

ER1 is small and light enough to be used in everyday life, whether you're sleeping, exercising, or working, ER1 can accurately record every heartbeat.



  • Designed for sports

  • Two wearing modes with a chest strap or electrodes

  • 30s~24h heart rate monitoring

  • 30s~30min ECG recording

  • User-defined alarm triggered by High-Low heart rate level

  • View and record real-time ECG on App

  • Compatible with GARMIN watch


Wireless and portable, comfortable to wear, always monitoring


This advanced heart rate belt transmits real-time heart rate data via ANT+ connectivity and power-saving BLUETOOTH technology, providing more options for indoor, outdoor, and even online training.

| Specifications 


18g (main unit)

Device dimensions

3.94'' x 0.91'' x 0.33'' (main unit)

Storage in-app



Bluetooth 5.0, compatible with 4.0

Heart rate recording in device

Up to 10 sessions / 30 hours, Up to 24 hours for each session

Overwritten by new data when it’s full

Heart rate range

30 bpm ~ 250 bpm (bpm: beat per minute)

Works with

IOS 9.0 or above

Android 6.0 or above

With Bluetooth 4.0 BLE or above

Battery type

Rechargeable lithium-polymer battery

Charge time

2-3 hours

ECG recording in-app

Up to 30 minutes for each session


| Related Products 

  • PB-20 ECG Monitor

  • Checkme Pro

  • ​Oximeter



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