Doshisha Beer Server Silk Foam Mug Type for Canned Beer Double Ultrasonic Type Black DKJ-18BK

Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Size (approx.): Width 13.0 x Depth 7.1 x Height 13.3cm Foam: Just attach it to your regular canned beer and enjoy the fine, creamy foam that's made by a master. Uses 2 AAA alkaline batteries (sold separately). Warranty period: 6 months from the date of purchase