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 replaced with the cover for easy cleaning and storage. Easy to Clean and Operate: The personal blender has a simple up-and-down design. Open the cap to drink and remove the bottom for thorough cleaning. Its user-friendly with just one button operation. Food-Grade Material: The compact USB blender is constructed with food-grade, non-toxic, and environmentally friendly PP and ABS materials. Utilizes advanced cold spin and centrifugal technology for efficient blending. Safety Protection Device: A safety feature prevents operation if the bottle and motor are not securely tightened, helping to prevent accidents and ensure safe use.