鋁版USB保溫杯墊-恆溫杯墊-可客製化印刷企業LOGO或宣傳標語
購買建議
1.Power By usb DC 5V
2.Accessory:USB cable
3.Function:keep warm
4.Tempreture:Surface of heat part is 60℃
5.Theory: Resistance heating
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