Question: How many things can be blended at a time?
Answer: 1. It’s better to do not exceed 1/2 capacity of the blender when making smoothies.
2. It’s better to do not exceed the maximum line showed inside the bottle when making milkshake.
3. Above two steps both need blending with milk please.
Question: Can I charge this portable juicer cup on computer?
Answer: Sure you can, this USB portable blender can charge with car charger, laptop, power bank, etc.