Smart Self Stir Mug Automatic Self Stirring Stainless Steel Electric Mug with Airtight Silicone Seal and Powered by 2 AAA Batteries,  13 oz (Classic Silver) ENJOY THE SMARTEST SELF STIRRING MUG - Powered by 2 AAA batteries. With one push, it will simply stir the content smoothly by itself. No worry of spilling and making a mess. BIGGER CAPACITY THAN ANY OTHER MUG - With bigger capacity to quench your thirst. It holds 13-16 oz of your drink, almost a half bigger than any other mug. More is always better. SUPER DURABLE STAINLESS STEEL AND AIRTIGHT SEAL - Made by silicone seal and premium stainless steel. Secure your mug tightly to preserve the heat and coldness. No more breaking mug! EFFORTLESS TO USE WITH SWITCH BUTTON AND COMFY HANDLE - It has switch button on the top, firm and comfy grip, and also small hole to help you drink with it. Easy to turn on and reach by your thumb! GET IT FAST - Works perfectly for any kind of beverage, be it coffee, tea, milk, chocolate, and many more! So old and help no idea how it does? Send it back and get your full cash within 30 days!