<b>Product features:</b><br/><br/> 1.This product is a multifunctional rechargeable hand warming mouse.<br/> 2.The mouse uses aluminum alloy shell,which has high thermal conductivity and strong corrosion resistance.<br/>At room temperature,the touch feeling is cool,fresh and not sticky even used for a long time.<br/> 3.Removable mouse line design.Unplug the mouse line,can be used as a separate hand warmer.<br/><br/> <b>Instructions:</b><br/><br/> 1.Plug the data line into the USB port on the front of the mouse,then connect it to the computer.<br/> 2.Hand warming function:Long press 3 seconds the hand warming function key,LED indicator lights,open the hand warming mode.<br/>Fast heating speed,you can feel the warm after 15 seconds.<br/>Short press the key again,turn off the hand warming mode.The hand warming mode can work as well when mouse in the process.<br/>After pulling out the mouse data line,stop the mouse function,hand warming mode can continue to work.<br/><br/> <b>Safety Measures: </b><br/><br/> 38-45 °C circlating temperature.Floating temperature effectively prevent low-temper-ature burns.When the mouse temperatire is lower than 38 °C ,automatic heating;When the temperature is higher than 45 ° C,automatic cooling.<br/><br/> <b>Product Accessory:</b><br/><br/> 1 * Hand warming mouse<br/> 1 * USB data line<br/> 1 * Instruction