The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Previous page Next page What are the WiFi network requirements to connect to the Pura diffuser? Pura diffusers use 2.4GHz WiFi networks because the 2.4GHz frequency has a longer range and can extend more easily through walls and through larger homes, creating a better experience for our users. Pura diffusers don't support 5GHz WiFi networks. What to do if my Diffuser is Offline? Update your Pura app to the latest version - Errors and diffuser connectivity issues are often caused by old app versions. To ensure smooth experiences, we recommend you update your Pura app to the latest version. How long should a fragrance last? Together, smart vials and Puralast technology deliver a scenting experience of up to 120 hours, per fragrance vial. Using fragrance-specific data, accounting for the size of the room and your intensity, to scent your space. I can't smell my fragrances? You may experience issues smelling your fragrance if the diffuser is placed near an air vent. Cool air can cause the smell of the fragrance to fall to the floor. Placing near an intake may cause the scent to be trapped in air filters. Why can't I smell my fragrance if there’s still a little bit of liquid left? Our fragrances are created with an oil to effectively disperse scent. While fragrance life varies by scent, if you can't smell your fragrance anymore and it’s been diffusing for over 120 hours, the oil that is left is just that—oil, not fragrance.