Usb Coffee Mug Warmer Coaster, Electric Heat Mug(light Brown)

Material: iron shell + aluminum board. Adopt stainless steel materials in the heating place, easy to wipes clean.USB powered with 1m USB cable, no need batteries, and it is easy to tote and take anywhereThe bottom of cup should be flat to ensure the cup connects to the metal heating panel (3.12 inch) well.Do not Press the electric fever panel when the USB warmer works to prevent scalding.perfect for coffee, tea, hot cocoa & any other beverage needs to be warmed in household, office or outdoor activities. it can always reserve you a cup of warm drink.Name: USB CoastersSpecifications: (approx.) Diameter: 10.3 cm/ 7.06 in; Height: 2 cm/0.79 inColor: Light BrownPower supply: USBTemperature:70~ 80 CelsiusNotice:It can keep your hot drink warm at 70~ 80, but it can not heat your cold drink.Package included:1x USB CoasterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.