1. Wide range of applications It can be placed on the of the bed in bedrooms, study rooms, and living rooms, which can effectively relieve your fatigue and relax your body and mind.2. After turning on the light, " Wave" releases anti-radiation and comforts the mood. Produced at the same natural frequency as the human body - waves, it emits warm light through the spect emitted by the lucent crystal structure, which can relieve stress, stabilize mood and promote sleep.3. When the crystal salt block is heated, it can release negative ions. While purifying the air, it can effectively activate enzymes in the human body, lower blood sugar, blood pressure and cholesterol, improve microcirculation, promote metabolism, and enhance immunity.4. Crystal salt rock The Himalayas were an ocean, but after geological changes and high temperature exposure, the ocean gradually disappeared. A large amount of salt (NaC) is deposited on the seabed, and after 200 million years of geological extrusion and high temperature, underground minerals and sea salt eventually form crystalline . Also known as crystal salt, it releases natural negative ions and inhibits radiationProduct DescriptionLight shape: Shade Material: OreLamp holder material: wooden baseVoltage: 5 (V)Style: modern and simpleApplicable gift-giving relationship: juniors, couples, couples, colleagues, friends, elders, children, customers, relatives, classmates, mentorsApplicable holiday birthday: friendship, Christmas, Teacher's Day, Year's Day, Festival, love expression, , , general holiday, wedding anniversaryCharging/running time: plug in and useColor: As ShownMaterial: Package Contents:1 x crystal salt lamp1 x usb cable1 x Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different disp