Name: USB CUP WARMER Mode: M-32Brief Introduction:-Keep coffee/tea/drink warm at 50-60℃-Easy installation, no driver required, plug & play -Rated power: 2.5W-5V DC-Red LED indication when warmer is turned on.-Quality insulation material around the metal hot plate prevents burns.-USB powered, no batteries neededSize: 10.5*10.5*2cmUnit weight: 101.6g Unit packing weight: 149.4g