Self Mixing Cup (with the push of a button), Built in Warming Function, Quick Mix Mug Jr. Novelty Cup for Kids and the whole Family! Portable, Usb Rechargeable ( Self Mixing ) No spoons or mixing straws needed with the Quick Mix Mug. It has a Push Button Mixing Action! ( Self Warming ) Been sitting to long, or don't want your drink to get cold? With Quick Mix Mug it can't! Just turn On the Internal Heating Element and your contents will begin too heat in seconds! ( Rechargeable Battery ) No need to buy Batteries , it's an easy to use USB Rechargeable Battery that comes with a USB Charger. ( Portable ) Light Weight and a Small Fit after your Quick Mix Mug is fully charged just unplug and your on the move! 130ml ( Led Display ) Quick Mix Mug comes with a Led Display to show you Battery Life. Great for the kids to play with . Novelty for the whole family.