Features: ★ Mist and essential oils to ensure every single nutrient absorption, allowing you to enjoy SPA anytime and anywhere ★ Ultra quiet make sure you sleep comfortably, easily maneuver the workplace ★ Automatic water protection with a stable and reliable system that allows you to easily enjoy intelligent life ★ Effectively kill bacteria, purify the air, is essential for office and home healthcare guards ★ Aromatherapy and humidification 2 functions, promote blood circulation and metabolism ★ Small power consumption,convenient usb powered, strong humidification Operating Instruction 1. Rotate the hesd part and pour some water(about 20ml) into the water tank 2. Drop 2-3 drops of essential oil into the water 3. Assemble the head part corrcetly and connect the USB power source 4. Press the on/off switch, the first press is humidification mode, the indicator is red; Press the switch again, the machine turns into aromatherapy function with blue light Note: The more detailed instruction, please refer the use manual. There are very detailed operating instruction and important notes in the use manual. Specification: ＊ Voltage: DC5V ＊ Power: 5.5W ＊ Container: 110ml ＊ Weight: 233g ＊ Material: PP ＊ Product Size: 7878152mm ＊ Ultrasonic frequency: 3.0 MHz Package includes: 1 USB Powered Essential Oil Diffuser 1 USB Cable 1 English Use Manual If you have any problem or confuse about the product, please fell free to contact us. We are pleasure to provide the best service for you. Thank you very much.