Langchen Manuals & User Guides

LANGCHEN H19 Smart Watch User Manual

January 1, 2025

Smart watch manual Product Introduction: H19 Smart Watch APP download and connection: Scan the QR code to download and install the "HryFine" APPhttps://www.lhzl666.com/home/qrcode_jump/index/id/2 APP connection method: (1) After the watch…

LANGCHEN TB39 Smart watch User Manual

December 23, 2024

LANGCHEN TB39 Smart watch   Product Introduction APP download and connection: Scan the QR code to download and install the " HryFine " APP. APP connection method: After the watch…

LANGCHEN Y13 Smart watch User Manual

December 23, 2024

LANGCHEN Y13 Smart watch Product Introduction APP download and connection: Scan the QR code to download and install the " HryFine ' APP APP connection method After the watch is…

LANGCHEN G21 Smart Watch Instruction Manual

November 20, 2024

LANGCHEN G21 Smart Watch Instruction Manual Product Introduction: APP download and connection: Scan the QR code to download and install the "HryFine" APP (browser, WeChat, etc. can be scanned). APP…

Langchen GTS4 Smart Watch User Manual

March 28, 2024

smart wristband user's Guide Wear it properly The bracelet is best worn affter the ulnar styloid Adjust the size of the wrist according to the adjustment hole; buckle the wrist…

LANGCHEN H18 Smart Watch User Guide

March 5, 2024

LANGCHEN H18 Smart Watch Specifications System Requirements: Android 5.0 and above; iOS 9.0 and above; Bluetooth 4.0 support Features: Heart rate monitoring, blood pressure monitoring, blood oxygen level monitoring, step…

Langchen L10 Smart Watch User Guide

January 24, 2024

Langchen L10 Smart Watch Product Information Specifications Equipment Type: Smart Wristband Battery Type: Lithium Polymer System Requirements: Android 5.0 and above; iOS 9.0 and above; support for Bluetooth 4.0 Product…

Langchen L20 Smart Wristband User Guide

January 4, 2024

Langchen L20 Smart Wristband User Guide smart wristband user's Guide  Wear it properly The bracelet is best worn after the ulnar styloid Adjust the size of the wrist according to…

Langchen HB13MINI Smart Watch User Guide

January 3, 2024

Langchen HB13MINI Smart Watch Product Information The Smart Wristband is a wearable device that tracks your daily movement, heart rate, blood pressure, and more. It connects to your smartphone via…

Langchen H13-MINI Smart Watch User Manual

December 16, 2023

Langchen H13-MINI Smart Watch  Wear it properly The bracelet is best worn after the ulnar styloid Adjust the size of the wrist according to the adjustment hole; buckle the wrist…