<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 - 360°vertical and horizontal rotation</b><p> <b>Specification</b><p> Item Weight： 273g<p> Packing Weight： 390g<p> Item Dimension： 19*15*10cm<p> Packing Dimension： 20*15.5*10.5cm<p> Battery Type： 18650 Lithium Battery<p> Battery Capacity： 2600mAh<p> Battery Time: 2.5~6 Hours(depends on different speed)<p> Changing Time: About 3 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 18650 Li-ion battery<p> <b>NOTE:</b><p> There is only one speed when it is USB powered<p> The battery is '18650 battery', you can find it on Amazon easily.<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, turn off when it is fully charged. If it is not charging successfully the indicator light is off.<p>