Our Magnetic Stirring Coffee Cup is USB- and can be operated without batteries, which is both environmentally friendly and convenient for a busy lifestyle. Perfect for those who prefer a quick and easy solution. Easy Operation and Spill-Proof: Simply pour liquid into the cup, double-click the start button, and press again to stop. Our cups come with a sturdy lid to prevent spills and feature a clear digital temperature display, allowing you to easily monitor the heat level of your drink at a glance. Detachable, Easy to Clean: The magnetic stirrer at the bottom of the cup is removable for easy cleaning. Perfect for office workers or travelers, this cup ensures quick cleanup, giving you more time to enjoy a perfectly stirred drink. and Safe Material: Our automatic coffee cup is made of 304 food-grade stainless steel to safety and durability. The efficient stirrer dissolves the powder in one minute, eliminating the need for manual stirring, enhancing your beverage experience. The for Beverage Lovers: Reward your loved with this unique and practical self-stirring cup. It's a great gift for anyone who loves coffee, hot chocolate, or other mixed drinks. Portable and stylish, it's suitable for a variety of occasions such as home, office, or cafe. Speed: 5000 rpm Rated power: 2W, running 0.6W Battery capacity: 155 mAh (polymer battery) Product capacity: 380ml Colour:Black Material:304 stainless steel + PP Package Contents: 1 * automatic mixing cup 1 * charging cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.