About this item One-key stirring: Adopt more intelligent stirring system, click the button to stir, 30S stirring is completed automatically shut down, completely get rid of hand shaking. No lumps: Alternate between powerful vortex and high-speed vortex, make the water and powder blend perfectly, the protein powder shake is as smooth as milk. Easy to clean: the removable design makes the residual powder directly exposed to the cup, which can be completely cleaned, and will not produce odor after long-term use. Quiet mixing: The vortex mixing system does not produce annoying clashing sound, mixing is as quiet as typing on a keyboard. Preferred material: made of XX material, free of pathogenic BPA and phthalates, non-toxic and odorless, and the cup is not easy to stick to protein powder powder Leak-proof sealing: screw-on lid and base have leak-proof sealing design to ensure that the liquid inside the cup will not spill out. Convenient to carry: Adjustable carrying ring increases portability, and the ring top is easy to carry or attach a key. Long lasting battery life: the battery has been optimized and improved, it can be charged for 1 hour to meet 70+ times of stirringCapacity: 21oz total capacity, 16oz blending capacity, up to 80g of protein powder at the same time.Attentive after-sales service: Voltrx has served more than 5 million customers worldwide. Meanwhile, we have responsive customer service to solve your problems in time. Add Voltrx Mixing Bottle to your cart now and experience the premium service!