Release Negative Ions: Harness the power of salt stone to release negative ions, promoting better sleep, preventing moisture, and boosting immunity. Quiet Operation: Enjoy uninterrupted work with quiet, bass operation and a built-in 1200 mAh rechargeable battery for long wireless use. Air Purification: The translucent structure generates a to purify the air, reduce stress, and alleviate electromagnetic radiation. Adjustable Spray Modes: Easily switch between continuous and intermittent spray modes with the 2-level spray adjustment feature. Large Water Capacity: The 400mL water tank provides all-day humidification without frequent refills, keeping the air moisturized.