VersionTECH. Desk Fan, Personal Portable Mini USB Rechargeable Cooling Fan with LED Light for Traveling Room Office Car Household Outdoor (3 Speeds, Black) ULTRA-QUIET DESIGN:The wind is strong, but not noisy, giving you a peace of mind and comfortable enjoyment.you can take it to anywhere like NBA World Cup qualifiers Football game Baseball game European Cup or any activity. CONVENIENT:Powered by USB cable to connect with your computer or DC 5V power adapter; including rechargeable Li-ion battery.As long as you are full of electricity, you can put it directly in your accompanying bag. It can be used anytime and anywhere. It is very suitable for traveling. ABS MATERIAL:Special ABS material structure design, It has excellent impact resistance, heat resistance, low temperature resistance, and excellent electrical performance,let you use more assured. THREE SPEEDS:Make use of adjustable fan unit system, 3 speeds program(2200rpm/2500rpm/3100rpm) -1Low/2Medium/3High speeds,User-friendly design, more convenient to use, used in different age groups. NOTE and WARRANTY:There is a piece of thin plastic inside the battery case protecting battery that needs to be removed before fan will operate.We offer 45days full refund and 1 year quality warranty, please no hesitate to contact our customer service if you have any problems with the product. We promise to resolve the issue within 24 hours.