• Material: ABS
• Voltage: DC5V;
• Current: less than 10mA;
• Power: less than 1W;
• Rated frequency: 50 (Hz);
• Battery capacity: 200mA;
• Anion concentration: 300W / m3;
• Applicable area: 1 square meter;
• Charging mode: USB;
• Charging time: 2 hours
• Color: Ivory white / metallic silver;
• Control mode: button type;
• Product size: 57 * 25 * 23mm;
• Product weight: 28g

1）Small size and portable;
2）Intelligent display, adjustable gear；
3）Silent operation, high cost performance；
4）Five million negative ion emitter ；
5）The necklace is made of food grade 304 stainless steel, which is environment-friendly, firm and not easy to break；
6）No consumables and no replacement of anion generator for life。