6 BLADES STRONG POWER The personal blenders have 6 stainless steel blades and strong power Only 30 seconds you can enjoy a cup of fresh smoothies and shakes It can be used for up to 20 times once charge RECHARGEABLE PORTABLE The portable USB blender can be easily charged by power bank laptop or other USB power source The single blender is small light and easy to carry suit for working out travelling and working EASY TO USE CLEAN The portable smoothie maker blender has only one button double click to start single click to stop Its easy to clean just add some water and run your blender until it is clean