Rechargeable Battery: Say goodbye to battery replacements! Our electric blender mug features a robust 400mAh rechargeable battery, ensuring multiple uses on a single charge. Ideal for busy lifestyles, this USB-charged cup offers convenience without the hassle of frequent power source changes. Premium Stainless Steel Construction: Crafted with a 304 stainless steel inner tank and food-grade plastic outer shell, our mixing cup guarantees durability and safety. The double-layer design and anti-slip silicone bottom prevent burns when handling hot beverages, while the leak-proof rubber ring lid ensures spill-free usage. Automatic Magnetic Stirring Technology: Embrace effortless mixing with our automatic magnetic stirrer coffee mug. Whether at home, work, or on-the-go, this innovative blender cup simplifies drink preparation. Just add your ingredients, press the button, and enjoy perfectly blended hot or cold beverages anytime, anywhere. One-Click Operation: Simplify your mixing routine with our user-friendly coffee blender cup. The one-click auto-stir button effortlessly blends your drinks to perfection without mess or splashes. Enjoy a seamless stirring experience by pressing the button to start and stop the blending process conveniently. Versatile Usage: From coffee and hot chocolate to milk and protein shakes, our automatic blender cup is a perfect gift for the office, travel, Father's Day, Mother's Day, Christmas, Thanksgiving and other holidays. Item Name: Stirring Coffee Mug Material: Stainless Steel Cup Capacity: 380ml Battery Capacity: 400mAh Features: Automatic, Electric, Rechargeable Size Details: Height: 15.3cm/6.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Stirring Coffee Mug