[Function selling point]: 1. After the crystal salt block is heated, it can release negative ions, which can effectively activate various enzymes in the human body while purifying the air. Blood sugar blood pressure and cholesterol, improve microcirculation, promote metabolism and enhance immunity. 2. Add aromatherapy essential oil to expand the fragrance according to your own preferences. 3. Decorate the home, warm and soft light can create a warm and comfortable atmosphere. 4.7 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. Precautions and maintenance: 1. When using for the first time, fully charge the remaining power before use, please use the original charging cable; 2. Keep away from the fire source, it is strictly forbidden to throw the product into the fire; 3. Do not fall; do not disassemble artificially; 4. It is recommended to completely volatilize the original instilled aromatherapy essential oil before adding other scented essential oils to prevent mixing.