The LED Mini Heating Coasters is a multifunctional USB charger that can be used to warm the coffee or tea in your office, home, or anywhere! They work as a charger and the temperature setting can be controlled by the tip of your finger. The heating coaster has adjustable temperature settings and is built with a durable material to last for years of use.
Specifications:
Material: Stainless Steel
Thermal Insulation Performance: 12-24 hours