Feature 1.USB Essential Oil Diffuser: Portable USB diffuser with 7 different LED light colors, multiple mist timer modes and waterless safety switch. USB is suitable for laptops, computers, mobile phone chargers, mobile phone chargers, etc. The output voltage is 5V and the current is over 1A. The USB 2.0 interface is very convenient to use and easy to carry. 2. Automatic shut-off without water: When the water is empty, the essential oil diffuser will automatically shut down. You dont have to worry about the diffuser itself being damaged when you go out, or forgetting to turn it off when you fall asleep. 3. Relaxing atmosphere: aromatherapy, hydrotherapy, light therapy; can also be used as a non-aromatherapy humidifier. Portable for gym, yoga, nursery, office, spa and bedroom. Diffusers create the perfect environment for you to breathe and sleep better, relax and feel better than before. 4. Premium Materials: When it comes to our premium essential oil diffusers, we strive to only use the same high-quality, safe and environmentally friendly PP materials and production processes. Advanced and strict quality control. Specification color: White Weight: 252g Material: PP Water tank capacity: 0.5L and below Noise: below 36dB Size: 10x10x14.6cm Packing list 1x humidifier 1x Type-C 1xInstruction Manual