<p><b>Specifications: </b></p><p>Size:5.7 * 3.7 * 9.1 Inches </p><p>Charging Time: About 4 hours </p><p>Rotation: 350° vertical and horizontal </p><p>Battery:A 5000mAh built-in polymer lithium ion battery </p><p>Working Time: 4.5~40Hours(depends on different speed settings) </p><p><br></p><p><b>Package Included: </b></p><p>1* YXwin USB Fan </p><p>1* USB Charging Cable </p><p>2* Sponge (Not Include Perfume) </p><p>1* User Manual</p><p><br></p><p><b>Warm Tips:</b></p><p>1.Do not place this product in hot or humid places.</p><p>2.In winter,if you do not use the fan, it is necessary to charge the battery once every 1-2 months to ensure the battery works normally. </p><p>Because the electricity will be exhausted after a long period of no using, and the battery can not be recharged.</p>