| Low cost and high efficiency | Modern and compact design | Modern and compact design | Stars nightlight projection | Boost mode for faster air sterilization | Exclusive and stylish look | The new state-of-the-art lamp | Premium Air Purifying Performance |
Noise Level | 100% Silent | 100% Silent | 100% Silent | 100% Silent | 100% Silent on TSS ™, 32db w/ fan on | 100% Silent | Totally silent with just the TSS™ ON, less than 28db, when fan is ON. | Totally silent with just the TSS™ ON, less than 20db, when fan is ON. |