This is a 8oz / 237ml Electric Mixer for various protein powders. Magnet connected the spinner and th doll spinner can be replaced.Shaker body can be used separately.It is USB Charging and durable. After adding liquid, the spinner and shaker body matched would be smoother, then shaker works much better. Stir Viscosity ingredients are allowed，such as honey, eggs, yogurt.

Features:

1. Hand-wash body & lid & straw

2. Food-Grade and BPA-Free

3. Magnet connected the spinner

4. Doll spinner can be replaced 

5. Shaker body can be used separately 

6.USB Charging