skygenius battery operated clip on mini desk fan, black skygenius <p> <b>product feature:<p> - clip-on style<p> - small and portable<p> - stepless speed regulation<p> - high quality and durable<p> - lightweight and low noise<p> - rechargeable battery powered<p> - usb powered and charging <p> - 360 degrees vertical and horizontal rotation</b><p> <b>specification</b> <p> item weight: 273 gram<p> packing weight: 390 gram<p> item dimension: 19x15x10 centimeter <p> packing dimension: 20x15.5x10.5 centimeter <p> battery type: lithium battery<p> battery capacity: 2600mah<p> battery time: 2.5~6 hours(depends on different speed)<p> changing time: about 2 hours<p> input voltage: 5v<p> output voltage: 4~6v<p> output current: 0.35~1a<p> power rating: 3w(max speed), 1.5w(lowest speed), 2w(usb powered)<p> <b>in the box:</b><p> 1 x battery fan <p> 1 x usb cable <p> 1 x rechargeable li-ion battery<p> <b>note:</b><p> there is only one speed when it is usb powered<p> <p>there is a plastic gasket between the battery and positive electrode, please remove it first time you use it.<p> when charging, the charging indicator light on the back of the fan will turn red, it would turn off if it is fully charged. if it is not charging successfully the indicator light would be off.<p>