Compact Portable Air Purifier and Wearable Neck Purifier for Personal ProtectionPersonal Air Quality This portable air purifier is designed to help improve air quality in personal spaces like subways or conference rooms. It emits negative ions that interact with particles and odors, helping to clear the air in the immediate vicinity. Whether running errands or dealing with smoke, this wearable device ensures a cleaner air zone while on the move. Performance and Efficiency The device releases negative ions to attract and remove