Hanging Neck Negative Ion Air Purifier, Hanging Neck Air Purifier

1. Rated voltage: 3.7V2. Battery capacity: 250mAh3. Rated power: Less than 1W4. Rated current: Less than 10mA5. Rated frequency: 60Hz6. The amount of negative ions released: 40W/cubic centimeter7. Packing list: Purifier x1, charging cable x1, hanging chain x1, manual x18. Size: about 6x3 cmFeatures:1. One cubic centimeter releases 400,000 + negative ions to protect your free breathing2. One-button switch, simple operation, press the switch button for 3s, the blue light will start to work, press the switch button again for 3s, the blue light will stop working3. Low noise operation, quiet and comfortable4. USB universal charging port, supports fast charging function, can be fully charged in 30 minutes5. With lanyard, it can be worn on the bodyNotice:1. Do not place in the sun2. Disassembly and modification are prohibited3. People who use pacemakers should not use it4. Do not put solid foreign objects such as metal particles into the machine5. Do not allow water to enter the inside of the