Cordless design allows easy movement around the kitchen without the limitations of outlets and cords 16oz. blending jar folds ingredients onto the blades to create a powerful vortex for easy blending of smoothies and frozen drinks Specially designed stainless steel blades easily handle frozen ingredients to deliver the perfect smoothie or icy drink Travel lid makes it easy to take your blended drink anywhere you go 12V MAX battery (sold separately, model KRB12) offers up to 20 minutes of continuous runtime 1 for uninterrupted blending Comes with a 16oz. BPA-free plastic blending jar and a travel lid 1 Maximum initial battery voltage (measured without a workload) is 12 volts. Nominal voltage is 10.8. Actual run time will vary based on recipe and/or attachments used. Battery life impacted by factors such as battery age and use.