(PEASE READ MANUAL INSTRUCTION BEFORE USING). As soon as you received the blender, please add some water inside the container to test, DO NOT run it without anything inside as it's a bad try for the coupling system, DO NOT grinding dry ingredients over 1 minute. Jar is NOT dishwasher safe. We can send the four types plugs as below, so please let us knowwhich type of plug and the voltage you need for the machine.