1X USB Silicone Heating Coaster Heat Warmer Electric Heater Mat A7X1

illustrate: Cable length exceeds: 100cm to 115cm 1 *The diameter of the circle of this coaster is 9cm and the actual working part is 3.5cm x 3cm. When working the temperature of the heated part of the roller coaster surface is kept at about 50-80 degrees (except for the thermometer nothing else). Put it on the coaster and get this Measurement results). 2* Material: silicon electronic components: 3.5cm x 3cm 3*Connect the USB cable to the computer or 5v charger switch interface the coaster starts to heat up. 4*Please unplug the USB cable when not in use to extend the life of the product. 5*The heating effect is not obvious; it is recommended to keep the hot water hot which will help slow tea or coffee cooling (200ml long-term hot water holding about 35-40 degrees) 6 * Warm effect: Adapter>Mobile Power>Computer 7 * Thin glass flat-bottom cup and metal flat-bottom cup better heating warn: 1. Please do not use concave bottom cups thin glass flat bottom cups are better 2. When the coaster is working don t let children touch it 3. When not in use cut off the power in time The package includes: 1 x USB coaster