Specification Product Name: Coffee Stirring Cup Product Material: ABS+304 stainless steel (food grade) Product Color: white / brown Product Size: 380ml Product battery2 AA battery Size: 135X90mm Package included: 1x Coffee Stirring Cup (Battery Not Included) Feature Brand new and high quality. Quick mixing, automatic cooling, more reliable use High quality stainless steel material, can withstand high temperature, wear resistance and durability Note: Due to hand measure, the size may have 1-2 cm error Due to Different Monitor, the color may have difference This product is battery model. Customers need to prepare two batteries.