We’re sorry to hear that you’re experiencing battery issues. Please follow the steps below:
Step 1: Confirm the Charging Behavior
Does the toothbrush run out of battery quickly even after being fully charged?
If it was not fully charged, please try charging it completely and using it again to test the battery life.
Step 2: Check Your Charging Adapter
The toothbrush requires a 5V⎓1A power input.
→ Please confirm that your charging adapter meets this specification.
If the issue still persists after confirming Steps 1 and 2, please proceed with the steps below:
Step 3: Provide App Details (if applicable)
If you are using the Laifen app, please share a screenshot of the mode settings shown in the app.
Step 4: Share Your Order Number and Serial Number
your order number.
The serial number of the toothbrush, which can be found by scanning the QR code at the bottom of the device.
→ Refer to the red arrow in the attached image for reference.
Once we receive this information, our team will review your case and assist you with the next steps promptly.
Thank you for your understanding and for choosing Laifen.
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