Rawuin USB Electronics Powered Drink Cup Warmer Pad Plate For Office and Home Use (Silver # 01)

USB cup mat warmer, cute pattern, keep your drink warm. keep coffee, tea and other hot drinks.
Ergonomic design and very portable. Powered by USB, no need for batteries.
Compatible with any computer with free USB port. No heating function, only heat preservation.
Use USB power supply and the role of the Warmer insulation pad.
Perfect for stainless steel cup, use of bottle, ceramic cup, glass cup.