about this project [Portable and Smaller] Mini Blender for Anywhere Small and lightweight, weighing only 460g, you can carry it with you like a water bottle whether at home, work, school or traveling. [USB Rechargeable] Built-in 1200mAh rechargeable battery makes this USB smoothie maker no longer dependent on power. The blender smoothie maker can be easily charged by power bank, laptop, computer, mobile phone or other USB devices . [High-quality materials] Food-grade materials are used, and food-grade 304 stainless steel double-edged blades are selected to chop fruits and vegetables faster and more gently. Food-grade PP material, portable smoothie machine, wear-resistant and drop-resistant, safer to drink. [Easy to use and clean] The blender smoothie maker is easy to use, just three simple steps to complete a drink. blender has a built-in airtight design and is completely waterproof. After rotating the removable base, give it a thorough cleaning. [Multiple Applications] The smoothie machine can not only be used to make juice and milkshake, but also can be used to crush small ice cubes, fruits and vegetables, coffee, powder and baby food.