Specifications: Power supply: USB Rated voltage: 5V Rated power: 7W Rated frequency: 60HZ Applicable area: office home Noise: 36-45db Notes and Notice: 1. Keep the small personal air cooler white, do not tilt it while working. 2. Add pure water or domestic tap water to avoid affecting the cooling Function. Better with ice water 3. Add 3/4 of water to the tank is best, do not fill completely. 4. Please run out of water each time, to prevent the water tank from leaving the ladder. 5. Use a cup brush or toothbrush to clean the water tank once a week, to keep it clean and healthy. The Package includes: 1 x personal air cooler 1 x USB adapter 1x user manual Features and Functions: Thanks to the evaporative technology, it transforms the daily cold water, via a special filter, into fresh and clean air which will relax you, while keeping you cool during hot sticky nights. Cools and humidifies for better air, and lets you create your own personal climate Operating up to 8 hours by filling this powerful, draws hot air from the room through its evaporative water filter, filling any space with fresh and clean and comfortable air. Simply fill with water, plug it into any standard wall outlet or USB port and enjoy! Light and easy to carry. Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same in the pictures. 2. Due to manual measurement and different measurement methods, please allow 1-3cm deviation. Thank you!Notice: 1.Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2:Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same in the pictures, but not the same performance on different bodies as odel. 3:We are committed to providing each customer with the highest standard of customer service.If you have any questions about a product or an order, feel free to . 4.Some tags? UK/US size number may be different from our tag? size/EUR size, please take our size chart as the standard reference. Service & Feedback Do not hesitate to contact ue before and after your purchase; we are committed to your 100% customer satisfaction. We back our commitment with superb service, 100% full money back and a customer satisfaction guarantee. If you satisfied with our product and service, we sincerely hope that you can leave us a positive feedback and 5-star Detailed Seller Ratings. We will try our best to soroblems in your favor. Your satisfaction is very very ant to us and we value your business. No matter who you are, No matter where you are from, you are my God, I’ll help you solve all problems. We will try our best to solve the problems in your favor. Your satisfaction is very very ant to us and we value your business. No matter who you are, No mattyou are from, you are my God, I’ll help you solve all problems.