The Self Stirring Mug works with 2x AAA batteries. The cup spins rapidly to swirl the liquid around the bottom of the cup. A single press on the Stir control button located on the handle makes your hot beverage slowly starts to spin, until it’s a veritable steaming whirlpool.The Mug is appropriate for Home use, camping and traveling. Great.The Self Stirring Mug works with 2x AAA batteries. The cup spins rapidly to swirl the liquid around the bottom of the cup. A single press on the Stir control button located on the handle makes your hot beverage slowly starts to spin, until it’s a veritable steaming whirlpool.The Mug is appropriate for Home use, camping and traveling. Great.The Self Stirring Mug works with 2x AAA batteries. The cup spins rapidly to swirl the liquid around the bottom of the cup. A single press on the Stir control button located on the handle makes your hot beverage slowly starts to spin, until it’s a veritable steaming whirlpool.The Mug is appropriate for Home use, camping and traveling. Great.The Self Stirring Mug works with 2x AAA batteries. The cup spins rapidly to swirl the liquid around the bottom of the cup. A single press on the Stir control button located on the handle makes your hot beverage slowly starts to spin, until it’s a veritable steaming whirlpool.The Mug is appropriate for Home use, camping and traveling. Great.