400ml 300W electric water cup, with four-speed intelligent temperature adjustment, can keep constant temperature for 12 hours. There is a double-layer stainless steel tea strainer inside. The cup body has a removable heat-insulating silicone cup cover, which is scalding and non-slip. Hall sensor magnetic switch design, align the cup cover icon with the base icon to turn it on. Wide voltage 100-240V, can be taken out for travel and business trips abroad.