The mini cup juice blender is USB-equipped with 1300mAh rechargeable high-quality batteries that can be recharged in a variety of ways, like charging by power bank, AC adapter, and computer or at work or in the car. It can be taken with you anywhere you go without it running out of battery. Take this on-the-go blender to the office, on a camping trip, or to the gym, with the handy USB port you can charge it anywhere.