LEMFO E400 User Manual

LEMFO E400 User Manual

Waterproof sports smart watch with ecg

Advertisement

Quick Links

User Manual for Waterproof Sports
Smart Watch with ECG E400

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the E400 and is the answer not in the manual?

Questions and answers

Bruce
May 5, 2025

I accidently let my watch drain down to 0% battery. I charged it back to 100%, but now it will not show the clock face. It shows the battery charge and settings. Unfortunately, I can't get it to work. Any ideas?

1 comments:
Mr. Anderson
May 18, 2025

The provided context does not include specific troubleshooting steps for the issue of the LEMFO E400 watch not displaying the clock face after charging to 100%.

However, general steps you can try include:
1. Press the upper or lower button to wake the screen.
2. Ensure the watch is fully charged and powered on.
3. Check if the screen brightness is too low by swiping down on the main interface and selecting the brightness icon.
4. Try restarting the watch by using the side buttons.
5. If the issue continues, connect the watch to the H Band app to check for updates or reset settings.

If these steps do not help, further troubleshooting is not available in the provided context.

This answer is automatically generated

william
March 11, 2025

how to change phones on the app from ios to android

1 comments:
Mr. Anderson
March 11, 2025

To change the LEMFO E400 app from iOS to Android, follow these steps:

1. On your iOS device, unpair the smartwatch from the H Band app and disconnect it from Bluetooth.
2. On your Android device, download the H Band app from the Google Play Store.
3. Open the app and set up your personal information.
4. Go to "My Page" in the app and tap "Device" to scan for nearby devices.
5. Select your smartwatch from the list and pair it with your Android device.

This will switch the smartwatch connection from iOS to Android.

This answer is automatically generated

Tony
April 26, 2025

How do I get time set

Summary of Contents for LEMFO E400

  • Page 1 User Manual for Waterproof Sports Smart Watch with ECG E400...
  • Page 2 Specifications Connectivity: Bluetooth 5.1 Heart rate chip: EM7128 PPG sensor chip: SFH2201 ECG chip: TYHX3220 Blood oxygen chip: GH3220 + SFH2201 G-sensor: ROHM KXTJ3-1057 CPU chip: GR5515 Display size: 1.39", HD 360 x 360 Battery capacity: 280mAh Battery life: 4-7 days Standby time: up to 30 days APP name: H Band Protection: IP68...
  • Page 3 The H Band app To download the app scan the QR code below or search for the H Band app on the Play Store on Android or App Store on iOS. Sistem requirements are Android 4.4 and later or iOS 9.0 or later. When you download the app, open it and set your personal information.
  • Page 4 You can check how many steps you made, the distance traveled, and the calories burned. You can also synchronize this data with the app and track the results. By switching to the body temperature interface you can track the real-time temperature. You can also synchronize this data with the app and track the results.
  • Page 5 Enter the sports mode and you can see many sports that you can choose from. Swipe up and down to switch the sport you want, tap to choose the sport, and start the calculation. Press the up or down button to exit the current sport. The weather page will display the current weather and air quality information.
  • Page 6 Click on the message to view the content, slide up to turn the page, and slide down to exit. Click the brightness icon to select the brightness level.

Table of Contents

Save PDF