PRODUCT FEATURE: The total 5 fan blades can provide strong wind and cool you down quickly. 3 adjustable speeds to meet your different cool needs. Lightweight and hanging design makes it portable for outdoor activities. - Super Quiet and Safe Ultra-silent USB fans are quiet even at maximum wind speeds, you can barely hear it at a low speed(Noise: 25dB). It is a quiet and good friend when working and sleeping.It gives you a tranquil, comfortable, and relaxed environment when reading, working, or sleeping. Made from high quality ABS materials, very safe to use for both kids and adults. - Ultra High Capacity & Long RuntimeBuilt-in high performance 5000mAh rechargeable battery. The fan can be charged via USB cable by laptop, power bank, AC adapter and car charger,etc. It takes about 4-5 hours to full charge the fan, and it can run for 5-12 hours continuously(depending on different speed levels). - 3 Speeds,Small size but Powerful Built-in powerful motor delivers a strong and cool air flow at 3 different speeds, allows you to choose appropriate wind speed as you wish. The working time of Speed 1 : 12 hours,Speed 2: 8 hours,Speed 3: 5 hours. A perfect partner in such a hot summer to keep you cool when travelling, working or doing sports. - 135Wide Oscillation Featuring an oscillating design .You can press repeatedly the button to start 135Degree oscillating model,which automatically blows the cool wind to a much wider space. Providing the most suitable angle wind to to meet your need. perfect for home, bedroom, office, dorm, desk, library, beach, camping or anywhere to bring cooling to you, especially suitable for summer travel or outdoor sports. - What You Get (1) Desk fan; (2) USB C port charging cable.12 months manufacturer warranty,30 days money Back Guarantee.24 x 7 Email services. Any questions,please contact us: click the Ask a question in our storefront or in YOUR ORDER options click the contact seller.