【Stronger Wind and More Speed】-Thanks to OPOLAR's latest dynamic technology, the maximal fan rotating speed arrives to 4000rpm. 4 speed, but less noise. Plus it provides four gears to adjust the speeds to satisfy all your needs
【Enhanced Clamp】-To offer the best clip fan, we have made many tests to ensure the clamp was strong enough to clip and stay put.
【Rechargeable Battery or USB Interface as Power Supply】- the mini USB clip fan comes with a 2200mAh lithium battery; which lasts from 2 to 8 hours depending on the wind speed. Each battery has been detected THREE TIMES to ensure the best quality before leaving factory; you can also power or charge via USB interface of computers, or USB chargers.
【Compact Size & Multi-usage Scenario】-(5.5*3.9*7 inch), (9.58ounce), lightweight, handy, clip fan and desk fan in one, easy to carry and store, can be placed or clipped anywhere you want, great for home and office, laptop, gym workout, outdoors, camping, trips, etc.
【Adjustable Tilt and One Year Warranty 】-support 360 degree horizontal and vertical rotation, free of dead corner air supply. OPOLAR offers one year warranty against defects.