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Centechia Manuals & User Guides

Centechia offers affordable consumer electronics and smart home devices, including wireless earbuds, smartwatches, WiFi cameras, and automation switches compatible with eWeLink and Tuya.

Tip: include the full model number printed on your Centechia label for the best match.

Centechia manuals

Selected manuals from manuals+ curated for this brand.

Centechia manuals from online retailers

Ewelink Zigbee 3.0 Gateway Hub User Manual

ZG-806Z • January 8, 2026
Comprehensive user manual for the Ewelink Zigbee 3.0 Gateway Hub, including setup, operation, specifications, and troubleshooting for smart home automation with Alexa and Google Assistant.

OTAG Smart Bluetooth Tracker User Manual

OTAG • November 25, 2025
Comprehensive user manual for the OTAG Smart Bluetooth Tracker, detailing setup, operation, features, specifications, and troubleshooting for Android devices using Google Find My Device.

OTAG Smart Key Finder Tag Instruction Manual

OTAG Item Finder • November 5, 2025
Instruction manual for the OTAG Smart Key Finder, a Google Certified Bluetooth locator for Android devices. Learn how to set up, operate, and maintain your anti-lost device for…

OTAG Item Finder User Manual

OTAG Item Finder • October 10, 2025
This manual provides instructions for the OTAG Item Finder, a Google-certified Bluetooth tracker designed for Android devices (Android 9 or higher). Learn how to set up, operate, and…

OTAG Smart Tag Item Finder User Manual

OTAG • October 10, 2025
Comprehensive user manual for the OTAG Smart Tag, a Bluetooth item locator compatible with Google Find My Device App for Android phones. Learn setup, operation, maintenance, and troubleshooting.