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Langchen Technology Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Langchen Technology products.

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Langchen Technology manuals

Latest manuals from manuals+ curated for this brand.

G21 Smart Watch User Manual and Specifications

user manual

Comprehensive guide for the Dongguan Langchen Technology Co., Ltd. G21 Smart Watch (2BC3X-G21), covering features, operation, and compliance information.

FCC Warning Statement for Y18 Smart Watch

technical specification

This document outlines the FCC warning statement for the Y18 Smart Watch (2BC3X-Y18), detailing compliance with FCC rules and guidelines for radio frequency emissions and interference.