Use the Brentwood 17-Oz. Portable Battery-Operated USB Glass Blender with 8 blades and a glass jar to easily blend delicious fruit smoothies, protein shakes, and more, on the go. Fast and efficient single-button operation produces drinks in just 25 seconds thanks to the powerful 2,400 mAh battery. Simply plug it in to any USB charging device and enjoy up to 10 drinks on the go on a single, full charge. It includes an 8-leaf stainless steel blade assembly and a BPA-free 17-oz. glass jar with sipping sports lid. It's ideal for mixing full servings of smoothies and protein shakes. The space-saving design takes up little counter space and makes for easy storage. The removable blade assembly, jar, and lid are dishwasher safe..