Features: The Electric Glass Automatic Stirring Cup features a built in motor for hands release mixing, ensuring smooth and consistent beverages every time, perfect for busy professional seeking convenience without compromising on taste or quality. Crafted with premium borosilicate glass for superior heat resistance and odor proof performances, this USB rechargeable travel mug operates quietly at under 45dB, making it ideal for noise sensitive environments while maintaining user friendly durability. Designed for modern city lifestyles, this auto stirring glass tumblers particularly appeals to office workers, daily commuters, and frequent travelers who value portable beverage solution with simple sophistication. Effortlessly prepare frothy lattes, blended protein shakes, or creamy matcha in seconds at your desk, during outdoor adventures, or in shared spaces like libraries where quiet operations matters most. With its leak proof lid and generic USB C charging compatibility, this automatic mixing glass cup maintains beverage temperature while eliminating messy spills and battery replacements, revolutionizing on the go drink preparation. Specifications: Materials: Glass Size:Approx.10x7.5x10cm/3.93x2.95x3.93inches Color:White/Khaki/Wood Color Package Includes: 1Pc Electric Glass Automatic Mixing Cup note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!