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Bt40 Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Bt40 products.

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Bt40 manuals

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Jiayouda BT40 Helmet Earphone User Manual

April 13, 2024

Jiayouda BT40 Helmet Earphone Welcome Welcome to use this helmet Bluetooth headset. I hope you can read this manual carefully to make it easier to operate and install. NOTES! To…