How to Use Your Feno Hub
Your Feno Hub is designed to make charging and drying your Smartbrush simple. Follow the steps below to get started.
1. Unpack and Connect
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Inside the Feno Hub, you’ll find the wall adapter.
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Take it out of the packaging and connect the fixed USB-C cable from the hub to the adapter. (Note: the USB-C cable is built into the hub and cannot be removed.)
- Insert the drip tr
ay inside

2. Power On
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Plug the wall adapter into a power outlet.
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The hub will turn on and you’ll see a white light on the front.
3. Insert Your Smartbrush
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Place your Feno Smartbrush into the hub.
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The front light will switch from white to blue.
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Charging will begin automatically, and the fan will start running.
4. Understand the Light Signals
The LED light on the front of the hub shows you what’s happening:
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White → Hub is powered on, no brush inside
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Blue → Fan is running
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Slow pulsing light → Smartbrush is charging
5. Control the Fan
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On the back of the hub, you’ll find a touch button.
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Tap once → Fan off, LED turns red
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Tap again → Fan on, LED returns to blue
Hub Care Tips
- Wipe the exterior once or twice a week using disinfectant wipes to remove residue or dust.
- Check inside the Hub for any water buildup. If you notice moisture, dry it thoroughly with a disinfectant wipe.
- Do not submerge, fill, or place the Hub near water. Exposure to water can damage internal components.
Need help?
If you have any questions, we’re here to support you:
📧 Email: support@feno.co
📱 Text: 323-800-8564