Support high speed 480Mpbs,fully speed 12Mpbs,low speed 1.5Mpbs;

Plug & play and hot switching;

Over-current protection;

Compatible with all USB devices;

Keep coffee/tea/drink temperature at 50-60℃;

Red LED indication when warmer is turned on;

Hight quality insulation material around the hot plate;

USB power, no need battery;

Rated power: 2.5W-5V DC;