The Ninja Blast Portable Blender is a cordless rechargeable personal-size blender you can take on the go. It's perfect for making smoothies, protein shakes. The fact that it's USB-rechargeable makes it even more versatile. The battery life is impressive, lasting through multiple blends, and the design is sleek enough to take with me to work. It's made my mornings so much smoother. Pro tip use small batches , cut them before blending to get smoother texture .