The packaging indicates they have a capacity of 500ml and are branded as "Hoffman".
These devices are designed for making fresh fruit juices, smoothies, and shakes on the go. Key features often include:
Portability: Compact design and a built-in rechargeable battery that can be charged via USB.
Ease of Use: Simple operation for blending various ingredients.
Capacity: The specific products shown have a 500ml capacity.
Material: Often made from durable plastic and stainless steel blades.