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

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ERUN G21 Smartwatch User Manual

G21 • 8 Kasım 2025
User manual for the ERUN G21 Smartwatch, featuring a 2-inch TFT screen, Bluetooth calling, message reminders, sleep monitoring, and sports tracking. Includes setup, operation, maintenance, troubleshooting, and specifications.