SinoFish Alarm Clock Memo Board Creative with Highlighter - Wake Up and Remember (USB Hub, Blue) Backlit LCD pixel clock display. Digital alarm clock LED light message memo board with highlighter matched and 15 songs. USB Hub: With 4 USB ports 2.0 hub; Power supply: USB charging port or 3 x AAA batteries are available (Batteries not included). Support 12-hour and 46-hour time format, calendar, temperature,LED backlight,memo and alarm. 3 alarms with snooze. Charming erasable memo board with blue/green LED backlight. The message board allows you to write SWEET MESSAGE for your kids or lover. You could leave a message on this memo board before you go out.