USB Cup Warmer, USB 4-port 2.0 Hub and Clock Want a hot coffee in chill winter? You should get this USB Cup Warmer! It is a small desktop device keeps your coffee or choco warm. Just simply plug into a USB connection, switch it on and then enjoy your drinks. It functions as a 4-port hub as well. Time, day and warmer temperate display clearly on LCD. Features: USB 2.0 4-Port Hub Easy installation, no driver required, plug and play Keep coffee/tea/drink warm at 50~60° With On/Off switch Red LED indication when the cup warmer is turned on USB powered, no batteries needed Display show 24 hour format time, year, month, date and temperature 4 Langage selectable: English, Spanish, Italian and German Back light design Auto changing to display time and week every 30 seconds Fully compliant with USB 2.0 specification Backwards compatible with USB 1.1 Clock is powered by AG13 battery x 1(included) Dimension: 140 x 140 x 60mm (approx.) Weight: 188g Package Contents: 3-In-1 USB Combo Cup Warmer User's Manual