This is a portable blender mixer that is USB rechargeable. It is made of high-quality materials including stainless steel for the 6-blade mixer. This portable blender mixer is perfect for making smoothies, protein shakes, and other drinks on-the-go. Its compact size and rechargeable battery make it easy to take with you anywhere, whether you're at the gym, at work, or traveling. The 6-blade mixer ensures that your drinks are perfectly blended every time, and the 530mL cup capacity is just the right size for a single serving. With over 15 cups of usage time on a single charge, this portable blender mixer is a reliable and convenient way to stay healthy and hydrated no matter where you are.