This is a blender where you mix your smoothie directly in the included jug. If you want to mix simpler ingredients, the motor power of 500 watts works well.
From OnBuy
Severin Jug Blender with 550 W of Power SM 3734, Brushed Stainless Steel-Black
Conrad Electronic
Severin SM 3734 Blender 500 W Stainless steel (brushed), Black