4 Blades Design: The portable blender for milkshakes and smoothies has a powerful motor base and 4 food-grade stainless steel 3D blades.The SUS304 Stainless Stell of cutter head made with food-grade One More Bottom Cover: We equipped the mini blender with one more bottom cover , after juicing, the bottom motor can be removed and replaced with the bottom cover. Then it is as easy Easy to Clean and Operation: The personal blender can be opened up and down. You can open the cap to drink and open the bottom to clean.The small blender is simple to operate, with only one button. Food-Grade Material: Small USB blender uses food-grade non-toxic and environmengtally friendly PP& ABS materials. With the most advanced CS+C(Cold Spin+Centrifugal) Safety Protection Device: There is a safety protection device at the bottom of the blender. If the bottle and motor are not tightened, to avoid injury, the machine will not work