4 Blades Design: The portable blender for milkshakes and smoothies features a powerful motor base and 4 food-grade stainless steel 3D blades. The cutter head is made of SUS304 stainless steel, ensuring durability and safe food contact. One More Bottom Cover: This mini blender includes an additional bottom cover. After use, the motor can be removed and the bottom cover installed for easy storage and protection. Easy to Clean and Operate: The personal blender has a simple up and down design. Open the cap to drink and remove the bottom cap for thorough cleaning. Operation is straightforward with just one button. Food-Grade Material: The compact USB blender is made from food-grade, non-toxic, and environmentally friendly PP and ABS materials. It utilizes advanced cold spin and centrifugal technology for efficient blending. Safety Protection Device: A safety mechanism is built into the base. If the bottle and motor are not properly secured, the blender will not operate to prevent accidents.