Specifications Product NameRechargeable Automatic Stirring CupCup Body MaterialABSLining Material304 Stainless SteelVoltage5V 1ATemperature Resistance 20℃ ≥100℃Inner Tank Capacity400mlPower TypeUSB ChargingColorBlack White Features 1 304 Stainless Steel Material Crafted from 304 stainless steel this mug is long lasting and safe for daily use 2 Temperature Controlled Mug Temperature Controlled Mug USB Rechargeable Battery Equipped with a USB rechargeable battery this mug ensures your beverages are always ready to mix 3 Magnetized Stirring System The magnetic stirring system ensures your drinks are thoroughly mixed without spilling 4 Auto Mixing Feature With a push of a button the auto mixing feature ensures your drinks are perfectly blended 5 400ml Capacity At 400ml this mug is the perfect size for your morning coffee or tea Package includes 1 x Cup1 x USB Charging Cable1 x Instruction