Concept personal blender, 600 ml, rechargeable Li-Ion, blue, FitMaker SM4002FitMaker Personal Smoothie Blender Blue The Concept SM4000 Smoothie FitMaker is designed for anyone with an active lifestyle who wants to easily and quickly prepare healthy smoothies anytime, anywhere. It has an integrated Li Ion rechargeable battery, so you are not dependent on the presence of an outlet. Thanks to its compact and lightweight design, it conveniently fits in a backpack or purse, so you can take it with you anywhere on a trip, to work