The oil diffuser is coated with natural salt crystals. When the lamp is turned on, the salt is heated to effectively remove odors in the air and purify the air. Salt lamp diffusers provide a special atmosphere in your bedroom and office. Features: [Crystal Salt Stone] the Salt Stone lamp humidifier, vapor mist cool, the elegant aroma treatment diffuser, creates the aroma of aromatic tranquility. [Colorful Light] This personal humidifier is equipped with 7 discolored LEDs to create a warm and romantic environment. [Eco] 800mAh rechargeable lithium battery is built-in and can be charged by power bank, adapter, computer, etc. healthit not only helps to regulate the dry air in the air-conditioned room, but also moisturize the skin, relieve nasal congestion, purify the air and maintain health at all times. low noisethe silent hydration is silent and does not disturb people. Whether it is work or rest, the skin feels refreshing and moist. Product size: 96.5*96.5*112.5mm