O2COOL Treva 10 inch Rechargeable Portable Fan Smart Power Air Circulator. Plug-In AC Adapter and Battery Powered, USB Charging Port, For Camping Travel and Indoors Use

ENERGY EFFICIENT COOLING: Smart Power technology automatically selects lowest cost power option so it wont run out of power quickly. Desktop battery powered fan tilts for oscillating air flow. | USB POWER PORT FOR SMART PHONES: With a USB power port you can charge your cell phone, laptop, and other mobile devices. This comes in handy during a power outage or emergency. | POWERFUL 10-INCH BLADES: Treva by O2COOL wireless and electric fans feature 5 patented fan blades with 2 powerful speeds so you can enjoy your own personal refreshingly cool air. | COMPACT DESIGN FOR TRAVEL: Take cool air anywhere! This portable fan is sleek and compact making it perfect for camping. It features a convenient flip-up handle that makes it easy to carry. | MULTIPLE POWER SOURCES: Dont worry about running out of power. Fan operates with plug-in AC or DC adapters (included), use 8 D-Cell batteries (not included) or use built-in rechargeable batteries.