1. Widely Usable: Can be used at home, meditation room, office or as a soft night light. 2. Natural ionic air: creates uplifting and relaxing atmosphere, makes you feel healthy and energetic. 3. Multiple Colors: The LED light emits a calming amber color and will automatically slowly change color between: orange, blue, pink, red, green and purple. 4. Upgraded Design: Hand-carved salt crystal pyramid with real wood square base makes this lamp more beautiful and durable. 5. Easy to use: UL / CE certified USB cable can be directly connected to computer or used with adapter connection.