Features: brand new and high quality Four different timing settings, you can choose according to your needs. No Noise:Nano ultra-quiet atomization technology, which prevents annoying noise when it is running. The diffuser will create the perfect environment for you to breathe and sleep better, improve your sleep quality. Perfect for bedroom, bathroom, living room, office, spa, yoga room, or studio.Great gift ideas for friends. SUPERIOR QUALITY MATERIALS: Our room diffusers use very high-quality, safe and environmentally friendly materials and production processes. Safe Waterless Auto Power-Off Function: Designed with waterless auto-off function, this super quiet mist humidifier will turn off automatically when water levels are too low, no worry about the safe problem. Specifications: Material: Wood & Glass Size: Approx.11x11x21cm/4.33x4.33x8.27inch Color: NF-K011A/NF-K011B Plug Type: USB Capacity: 25ml Noise: 36db or Less Applicable Area: 31-40 Square Meters Timing Function: 2-8 Hours Water for Tank Capacity: 1 Liter or Less Package Includes: 1 Piece Aroma Diffuser note: Please allow 0-1cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.