User's Manual

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Contents
1 Smart Electronic Muscle Stimulator (YA4100)
2 Power On/Off Instructions
3 Battery Instructions
4 Bluetooth Connection and Data Syncing
5 Wearing Instructions
6 App Download Instructions
7 After-sales Service
8 Precautions
9 Declaration of Hazardous Substancesor Elements
10 FCC Caution
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Product parameters
1. Smart Electronic Muscle
Stimulator (YA4100)
This smart electronic muscle stimulator is designed to detect
snores and emit specific low-frequency pulses to stimulate
and massage the muscles and nerves of the throat, allowing
you to sleep peacefully. We hope this product can help you
get some quality sleep!
25.5mm
13.mm
40.5mm
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