1) Keep coffee/tea/drink warm at 50-60 C 2) Four USB ports, optional USB 2.0 version

1) Keep coffee/tea/drink warm at 50-60 C2) Four USB ports, optional USB 2.0 version3) Easy installation, no driver required, plug & play   4) USB powered,no external power needs;5) LCD Time & tempreture display function6) With On/Off switch;Specification:1) Product Size: 142*142*65.0mm2) Weight: 191g3) Materila:ABS plastic of cover, stainless steel heating pad;4) Rated power: 2.5W-5V DC5) USB cable length: 1.0 m6) Heating pad dia.: 76mm7) Color: Silver/black

promotional usb food warmer