Description: Two Version For Choose: Solar Rechargable Version: 95cm² large area solar panel, built in 1200mah large capacity battery, can be charged by charging cable and solar energy, fully charge can last about 2 hours, and with solar power storage, it can last longer. Adjustable 3 speed fan (High/Middle/Low). Wired Version: It can only be connected the power to use. Adjustable 2 speed fan (High/Low). 3 Stages Filter System: This air purifiers has 3 stage filtration system, including prefilter, HEPA filter and activated carbon filter, capture 99.9% of air pollutants. Improving car air quality and enjoy a healthy life. Can release negative ions, can neutralize positive dust and harmful particles in the air, and purify the air efficiently. Built in Aroma Box: Built in aroma box allow you add essential oils and creating a fresh and romantic aromatherapy environment. Small air purifier will be a warm hearted friend for your trip. 360° Air Intake Design: Completely filter the air in small areas such as car, office desk, dormitories, and children’s rooms, creating a good office/learning environment. Easy to Operate: Plug and play. Low noise operation. Vibration sensor switch, automatic shutdown after 100 seconds of vibration disappearance, manual control switch and custom adjustment. Great accessories for your car. Specification: Material: PC Solar Rechargeable Version: Voltage: 5V Power: 4W Weight: 318g Applicable space: 3-8m² Noise: