Cleaner air: This personal air freshener releases negative ions to help reduce airborne pollutants in your personal space, including smoke, cooking odors, and certain air impurities, contributing to improved mood and better sleep. Take it with you: This compact air purifier comes with a lanyard for easy portability. Wear it around your neck to enjoy cleaner air while traveling, in public spaces, or areas with poor air quality. Long lasting: Equipped with a USB charging port, the device charges in approximately 1 hour and provides up to 10 hours of operation. Easy to use: Simple one-button operation allows for immediate use. Functions: Air purification, odor reduction, dust removal, and static elimination. Product Name: Portable Neck Negative Ion Air Purifier Model: T20 Working current: 1560mA Voltage: 2.754.2V Charging time: Approx. 1 hour Battery capacity: 200mAh Control: Push button Applicable area: Up to 10 sq ft Airflow rate: 50L/hour Color: Pink Material: ABS Dimensions: 52 x 48.7 x 13.9mm Package Contents: 1 x Air Purifier 1 x Charging Cable 1 x Lanyard 1 x User Manual (English and Chinese) Note: The package includes only the items listed above. Other items are not included. Note: Slight color variations may occur due to lighting and screen display differences. Measurement error allowed within +/- 13 cm.