Piqubidu Electric Protein Shaker Bottle Magnetic Connection 16Oz Mixer Cup USB-Rechargeable Drink Mixer Gym Fitness Sports Shakes Man Women Adult with Magnet Mixing Ball

Doesn't always spin when the button is pressed. We have to press the button several times fairly hard before it decides to spin. Also, it doesn't quite break up protein powder very well. It leaves clunks.

This is prefect for on the go drinks . Especially when I don’t have the time to whip the blender out .