Smart Vayu Anti Air Pollution Electric Mask, Battery Powered 3 Speed Fan, Air Flow 8 L/Second, Multi-layer Filter, PM 2.5, 99% Efficiency (Pink)

Your browser does not support HTML5 video.  I bought a mask and air quality monitor and the air monitor did not work. for replacement I had to wait for 1 month and had to courier the product back to company on my expense. And the customer care was rude and careless.