Giving someone a warm drink actually makes people feel and behave more "warmly" toward others, while a cold drink evokes the "cold shoulder" and promotes distant behavior. This USB powered device can simply plug into your laptop, desktop computer or any plug with a USB port for easy placement. and it will keep your coffee, tea, hot chocolate or other drinks warm at your office desk. Features - Color: Shown in the pictures. - Material: ABS. - Size: Approx. 10 * 10 * 2cm/ 4 * 4 * 0.8 inch (L*W*H). - USB cable length: Approx. 91cm/ 36 inches. - with delicate apperance for durable and safe use. - Quickly keeps your favorite mug of coffee, tea or cocoa warm when you want it. - USB charging with extended cord length to use almost anywhere. This will be your favorite gadget. - Use for coffee, tea, hot cocoa and any other beverage need to warm in household, office or outdoor activities.