I waited for a while and spent a month or two on this mixer. The first mixer I bought now is broken, I sent it back, and the other one is perfectly fine. I absolutely love it. My wife used it to make our funny shaker bottle dietary supplement milkshake, which is probably the best product I bought. I definitely recommend.
Protein shaker bottle is very easy to use and clean. And once it is charged (using the iPhone charger), it will remain charged for a long time. The cleaning is very simple, just pour water and 1 piece of detergent into the water, then turn on the rinse! This design left a deep impression on people. This makes it easier to whipped protein shakes.