Come and see our amazing products. With a lanyard, a portable wearable necklace air purifier that can be worn around the neck.It is specially designed for the case that people are not wearing mouth protection. Can normally worn on the neck, but also be mounting in car and putting on the office table. It will release negative ions around your body to proven particles, cigarettesmoke, dustsmell. It's especially used for body odor, sweat smell also. Custome Logo is available, price for 5000 and over is for sea shipping. Pls confirm further with us if any query about packing info, inventory status and time schedule.