Description: Crystal Salt Lamp: The oil diffuser comes natural salt crystals. When using the diffusers for essential oils, it will release negative ions,Effectively removing peculiar smell in the air and purifying the air, creating a calming and soothing atmosphere.DIY Creative Ideas: The oil diffuser essential oils possesses DIY ideas, can fill all kinds colorful stones and crystal gravels, adding different beautiful materials to improve aesthetic fatigue and enjoy visual interest.Our oil diffuser essential oils will last for 8H without adding water frequently.Multi-functional Essential Oil Diffuser: Aroma night lamp are integrated to this smart diffuser, protecting your family from excessive dry season, dust, and more.7 LED Mood Lights: Comes with 7 soothing colors, the overall design of fragrance diffuser looks like a ice bucket, the combination of continuous mist and different lights looks like the scene when the ice is melting, creating cool visual enjoyment. Specification: Material:Plastic Size: 78x78x145mm/3.07x3.07x5.71inch Package Includes: 1 PieceEssential Oil Diffuser 1 Piece USB Cable 1 PieceInstruction Book 1 Bag Salt stone