PRODUCT INTRODUCTION AND PRECAUTIONS
1、Comfortable To Wear, According To Ergonomic Design; Convenient For Home And Outdoor Use.
2、Three-Speed Temperature Adjustment, Intelligent Temperature Control, The Light On The Battery Can Display The Gear
（Power Connection Instructions; Connect The Battery To The Power Cord In The Sock Pocket, Press And Hold The Button On The Battery To Start Heating.）
3、Safe Low Voltage; Powered By 3.7v Lithium Battery, Safe Operation
4、USB Charging Interface Is Easy To Use
5、Can Be Washed (Remove The Battery Before Washing, Put It In The Laundry Bag For Washing Machine)
（This battery is a particular battery and can solely be used for this electrical heating sock）