Power: 3W<br>Input voltage: USB 5V<br>Material: ABS + stainless steel heating plate<br>Packing: color box<br>The following applies to bottom of the cup diameter 6.5cm tumbler oh<br><p><img src="https://img.alicdn.com/imgextra/i4/31062659/TB2D4VuopXXXXamXpXXXXXXXXXX_!!31062659.jpg" align="absmiddle" ks_mark="y"></p><p>USB保温碟，就是通过USB接口接入电源，通过保温碟的导热片发热，来进行对液态类的产品进行保温的一种产品。保温碟的铝片表面温度最高可达70度，可以对置于碟子上的水，咖啡，茶，牛奶等进行有效的保温。</p><p><img align="middle" src="https://img.alicdn.com/imgextra/i1/31062659/TB2aUUriFXXXXaNXpXXXXXXXXXX_!!31062659.jpg" ks_mark="y"><img align="middle" src="https://img.alicdn.com/imgextra/i3/31062659/TB2y7wPiFXXXXauXXXXXXXXXXXX_!!31062659.jpg" ks_mark="y"></p>