The AE-500 Aroma Oil Diffuser is a powerful electric aroma oil scent diffuser covering up to 500 cubic meters. It has a built-in fan to spread fragrance quickly, so it works with all kinds of essential oils. The AE-500B Bluetooth Aroma Diffuser from Aerial Essence is perfect for creating a pleasant aromatic atmosphere in smaller spaces. This powerful electric aroma oil scent diffuser can cover up to 500 cubic meters, and it comes equipped with a built-in fan that quickly spreads the fragrance for an enhanced experience. The best part is that it works with all kinds of essential oils and you can customize the scent to your liking using the Bluetooth capability.