Features: - Humidify the air in the room, give you a comfortable environment. - Refresh the quality of air we breathe. - Automatically stop after 2 hours timing. - Adjust the temperature in the room, away from the dry air. - Can be taken as a skin care, keeps skin healthy and moist. - Purify the air around, neutralize static, reduce infection of skin. - Aroma therapy, relieves strain and eases stress. - Decoration, warms atmosphere in the room by adding perfume or essential oil in the atomizer - With USB power cable (1m), the design is not included batteries. Specifications: Power supply mode: 5V DC (USB) Power: USB interface for various kinds of power supply, convenient using and energy saving. Diamond Shape Air Freshener with led light inner, nice home decoration also can be used as night light. Pure water is preferable, you also can drop the aroma oil into the water to make the air fresher. Using this air Humidifier can increase humidity of air, reducing dust and bacteria, moisturizing your skin. Power-off automatically if there is no water.