With the compact Ninja Blast BC151EUNV Blue blender, you can prepare your favorite smoothies anywhere, thanks to the wireless design. That's useful, because you can blend a healthy juice in the gym and the blender doesn't take up much space. You first fill the pitcher with your favorite ingredients. You then press the start button and your juice is done within 30 seconds. You can drink directly from the pitcher, thanks to the included to go lid. That's useful, because you don't need an extra glass or cup. With a fully charged battery, you can blend up to 10 drinks. After use, you clean the blender cup in the dishwasher. You wash the blade by hand.