This Bluetooth multi-functional aroma scent machine supports both desktop placement and HVAC connection. It features a durable air pump with a lifespan of up to 10,000 lifespan hours and a built-in turbo fan to distribute fragrance more quickly and evenly. Designed to diffuse aroma in multiple directions and perfect ideal for small to medium-sized indoor spaces such as shopping malls, auto showrooms, clubs, barbershops, and beauty salons.