Personal Blender USB Rechargeable High Power Electric Protein Mixer 400ml Juice Cup (PINK) Compact design ideal for small living spaces and on-the-go portability. Great for making shakes, baby formula, marinades and salad dressings.(Please don't put hard foods into it like nuts. ) Parts are Removable and dishwasher safe EXCEPT bottom part. Before it starts working, add some water will make it perfect. Rapid stiring speed can make a cup of juice within one minute. It can be charged by power bank, laptop, computer, mobile phones or any other USB devices.