Recommended for keeping hot water Warm, it will help tea or coffee slower to cool ( 200ml hot water long time keep Warm about 35-40 degrees). Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat.
The drink will stay warm, Keep your mug of water, tea, coffee, milk, or other beverage at 40-60℃ - Meaning that next time you're caught working late, this desk accessory means you won't have to put up with cold drinks! Convenient to Use
Ideal for winter use keeps cup warm in cold weather enjoy your delicious milk coffee tea hot cocoa with this small creative cup mat Features warm keeper convenient to use cool boy pattern.
The function is to keep your coffee/tea/beverage/milk warm, not heating up. All the warming-up vessels can't be sealed up completely, otherwise, it will cause an explosion. please disconnect the USB port when you do not use the beverage warmer, stainless steel cups, ceramic cups, bottles, glass can be safely put up...
Safe and Reliable
With quality heating elements and a USB power supply. The beverage warmer just helps to provide insulation, can not be used for heating.
This cup pad Round diameter is 9cm, The actual working part is 3.5cm x 3cm, The temperature of the heated portion of the surface of the coaster is maintained about 50-80 degrees when it working (except the thermometer, no other things are placed on the cup pad, then get this measurement results).
Please don't use the recessed bottom cup, Thin glass flat bottom Cup is best
When the cup pad is working, Do not let children Touch