1) Keep coffee, tea, drink warm at 50-60℃
2) Easy installation, no driver require, plug & play
3) Rated power: 2.5W-5V DC
4) With ON/OFF switch
5) Red LED indication when warmer is turned on
6) Quality insulation material around the metal hot plate prevents burns
7) USB powered, no batteries needed
8) Heating panel diameter: approx 7.7cm
9) Cable length: approx 126cm