1,usb heated cup 2.material,SBR CR,carbon fiber,USB cable,denim, 3.Temperature 40-45 4,size,30*9cm nameusb heated cup voltage ... 5v power 3w size 30*9cm temperature 50-55 material SBR CR,carbon fiber,USB cable,denim usb line ... MOQ 500pcspackingpp bagdetailed introduction , usb heated cupheating material,carbon fiber,just need 3-10 minutes , the cup will be warming,and it ...