Xiaomi Appliances Electric Cup Heater Pad, Auto-off, Coffee Mug, Warmer Mat for Home Office, Milk Tea Water with Warmer Night Light, Constant temperature coaster
For example, it takes about 15 minutes to heat cold water, but it can keep warm water at constant temperature.

Use any heatable flat bottom cup
Control Mode: Smart Touch Control
Product Material: semiconductor heating PTC
Screen display: LED digital tube display

Timing mode:            8H automatic power off
Voltage:                    220V
Power:                     20W
Rated frequency：   50Hz
Line length:              1.5M
Size:                        120*148*64mm
Heating Temperature: 45℃/55℃/75℃