Cordless and Portable Design: Traditional corded electric blenders are inconvenient to carry and cannot operate outdoors when AC power is not available. Thus, the portable and rechargeable blender is designed to solve this problem perfectly. You can put it in a backpack, gym bag, and mix and enjoy fresh juice when traveling, camping, gym and office. Large Capacity Rechargeable Battery: Built-in 2 x 2000mAh batteries and USB charging port, this personal blender can produce 15-20 cups per charge, and can be charged by AC adapter, power bank, computer or other USB power source. BPA-free and food-grade material: After being strictly selected and inspected, we choose BPA-free and food-grade materials for our blender, allowing you to make milkshake and smoothies, fruit and vegetable juice, facial mask and worry-free baby food. 6 Upgraded 3D Blades: Equipped with 6 super sharp stainless steel blades, at a rotating speed of 22000 rpm, the blades allow you to crush ice cubes and frozen fruits in 35-40 seconds, delicious smoothies n 've never been easier Smart Safety Protection: The built-in secure magnetic switch will prevent this personal blender from blending when the cup part and base are not assembled firmly or correctly. At the same time, it comes with overheating prevention.