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and the layers are finely filtered
1000ppm-10000ppm
It can also test for continuity with the assistance of its auxiliary ground lead
Double fixing
support up to 64GB(not included)
EP205 Portable Air Purifier Negative Ion Necklace Hanging Collar Purifier(Black) Earphone & Headset and the layers are finely1. Material: ABS, steel, aluminum 2. Voltage: 3. 7V 3. Battery capacity: 200mAh 4. Power: 1W 5. Negative ion concentration: 1999W 6. Usable area: Within about 10 square meters 7. Weight: about 33. 5 grams 8. Size: about 2. 4x6. 35 cm, the length of the lanyard is about 64 cm Features: 1. Carbon fiber filter brush, 1999W release negative ion concentration, enjoy fresh air at any time 2. Running decibels below 20dB, quiet and low noise 3. One key boot,
