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Contents
Important Precaution ..................................................................................................................... 13
Attention ......................................................................................................................................... 16
1. Brief Introduction ....................................................................................................................... 17
2. security ....................................................................................................................................... 17
3. General Specification ................................................................................................................ 18
4. Operation .................................................................................................................................... 19
4.1 Switch button and indicator ....................................................................................... 19
4.2 How to charge .............................................................................................................. 20
4.3 Filter cleaning............................................................................................................... 21
5. Bluetooth Application instructions ......................................................................................... 22
6. Packing list ................................................................................................................................. 22
6. Warranty...................................................................................................................................... 22
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