Feature :
1 Heating up quickly,5 minutes to be 40℃ ,after reach 40℃ ,it will stop Heating.
2 Easy to Charge it ,you can charge it in your computer ,Powerbank ,this is a portable heater ,very convenience to carry outside .
3 Built-in heating copper sheet, many of the copper sheets are thick, which can quickly heat up, and then keep at about 40℃.
4 100% waterproof,
Material: ABS
Color: white
Size: 136 x 20 mm