【USB MAGNETIC RECHARGEABLE & HASSLE-FREE】Say goodbye to batteries. This electric mixing cup features a convenient magnetic USB data cable, fully charging in just 2 hours for cord-free, portable use at home, office, or on the go. 【ONE-TOUCH AUTOMATIC MAGNETIC STIRRING】Enjoy optimal mixed drinks in seconds. Simply press the button on this automatic stirring coffee mug to activate the magnetic stirrer. It stops automatically after 30 seconds for optimal blending of coffee, protein powder, hot chocolate, or milk. 【DOUBLE-WALL 304 STAINLESS STEEL】Constructed with food-grade 304 stainless steel inner liner and vacuum insulation, this self stirring mug keeps drinks hot or cold. 【MAGNETIC ROTOR DESIGN】Our magnetic stirring cup employs a fixed rotor design that prevents off-center spinning, even with boiling water. This ensures smooth operation and eliminates the risk of accidentally ingesting loose parts. 【EASY CLEAN & MULTI-SCENE USE】The sleek stainless steel interior makes hand-cleaning easy. This automatic mixing cup is your ideal companion for the kitchen, desk, gym, or travel, effortlessly mixing a variety of beverages.