Happy Hours 300ML Camera Thermo Lens Travel & Novelty Mug Stainless Steel Insulated Self Stirring For Coffee and Refreshments Modeling Canon 24-105 Lens with Drinking Lid Just press the button for instant mixing action! But please attention that it's powered by battery!! Requires 2x AAA batteries (not included and better if you use Good quality batteries , please instal the battery follow the instructions in the listed pics) This mug is a multi-purpose container. It can hold liquid beverages and also ideal for holding pens and coins. It is ideal for your own use and also a great gift to impress family, friends and colleagues. Perfect for drinking your favorite hot, cool or cold beverages like hot cocoa, tea, Refreshments,energy or sports drinks (and your other drinks) at home, free Lazy, office or to go while traveling.