EP205 Portable Air Purifier Negative Ion Necklace Hanging Collar Purifier(Black)

Portable air purifier necklace designed to release negative ions. Suitable for everyday use, it provides fresh air in a compact form.

• Material: ABS, steel, aluminum
• Voltage: 3.7V
• Battery capacity: 200mAh
• Power: 1W
• Negative ion concentration: 1999W
• Usable area: Within about 10 square meters
• Weight: about 33.5 grams
• Size: about 2.4x6.35 cm, lanyard length: about 64 cm
• Carbon fiber filter brush
• Running decibels: below 20dB
• One-key boot, long press for 2 seconds to start
• USB charging capability
• Metal shell, wear-resistant and radiation-resistant