1. When the product is working , please do not touch the heating panel to avoid burns;
2.Be sure to use a flat bottom cup to ensure that the cup and the heat panel contact;
3.Please use glass, metal and other cups, do not use plastic cups, paper cups, in order to ensure thermal conductivity.
4.Keep the unit in a dry state, such as the machine is wet, disconnect the USB edge, and wipe dry, be sure to use and store the machine in a normal temperature environment, occasionally wipe with a warm cloth to keep the machine constantly new.