Electric coffee stirring cup automatic coffee cup automatic stirring milk coffee cup lazy stirring cup magnetic cup Commodity material: stainless steel + plastic Product capacity: 400ML Product size: 11.5*8cm Power support: 2 AAA batteries Weight: 226.2 grams Mix the drink in a circular motion. Simply press and hold the on/off switch located on the handle of the mug until the drink is mixed. GREAT FOR TRAVEL - The leak-proof snap-seal lid allows you to easily mix your favorite creamer, sugar or protein powder on the go. Plus, this mug runs on regular AA batteries, so there's no need for wires or electrical outlets. Multiple Drinks - The self-stirring mechanism is durable enough to mix liquids to create delicious drinks time and time again. This self-blending mug is suitable for hot drinks like coffee or cocoa and cold drinks like chocolate milk. UNIVERSAL DESIGN - Classic colors and design are perfect for home, office or classroom. Plus, this mug makes a great gift for busy moms and dads, college students, coffee lovers, or hard working friends and family. The highest quality products and the best gift ideas.