Electric 450ml Protein Shaker Mixer Bottle - Option for USB or Battery

Highly powerful mixing power to instantly dissolve your protein poweder in seconds. You can choose between replaceable batteries (3 x AAA batteries) or with a built-in USB charger models. Mix your pre-workout, workout, post-workout powder with water or milk by the powerful vortex created by the motor. Save valuable time with this portable shaker that isn't heavier than your conventional shaker: Just add water, add your protein scoops, press the button and your shake is ready in less than 30 seconds: No lumps or leaks! Perfect gift for gym goer and fitness enthusiasts Please note that there are no cutting blades in this product and you cannot use it to crush fruits/grains.  Material: stainless steel surface, food grade safety pc Dimensions (height, ) 7.8cm