4 Port USB Hub Coffee Milk Cup Mug Warmer Pad with Blue LED Backlight For PC LaptopThis mug warmer is an office essential. Keeps your coffee/ beverage warm while also keeping track of the time and date. It even gives you additional four USB 2.0 ports to work with as this is a mug warmer is a USB hub too!Features:1. Keep milk, coffee, tea warm.2. 4 USB 1.1/2.0 high speed ports, each can support 200mA current.3. Digital calendar, time display, cup pad temperature display.4. Auto changing to display time and week automatically every 30 seconds.5. Stainless steel flat-bottomed cup are suggested to use.6. USB hub (comes with four USB 2.0 ports)7. No power adapter is needed (connector cable is a USB cord)8. Built in LCD clock9. Day and temperature display10. Interface standard: USB 2.011. Compatible with Windows and Mac OSPackage Included:1 x Cup Warmer (Cup is not included)1 x ManualPlease note: This is a beverage warmer. It does not actually heat your beverages up, it slows down the cooling process.