Item Type: Personal Air Purifier <br>Material: ABS, PC, electronic components <br>Battery: Build in battery<br>1、Air Cleaner: Using intelligent and innovative Ai chips, it ensures that it could releases 120 million negative oxygen ions in the air to remove contaminants from your personal space, make you breathe cleaner refreshing air. <br>2、Practical: This ionic purification forces airborne pollutants out of your personal space creating large space of clean air in all directions. Silent operation, no noisy fans or motors. <br>3、Portable: The mini air ionizer necklace is simple and compact, easy to carry whether you are at home or traveling, you can breathe clean air just by gently touching the switch button. <br>4、Adjustable: Switch between high and low as you need, and is the perfect accessory to protect you while traveling, in public places or in other poor air quality locations. <br>5、No Filters Change: Say goodbye to the hassle of continuously replacing filters, this purifier is quite environmentally friendly, easy to operate, suitable for students, the elderly, office workers.1 x <br> <br>Air&nbsp;Purifier&nbsp;Necklace