Function: 1. Memo board with highlighter matched. 2. Time (12/24 format selectable),tempreture, year, month,date, week, 3 sets of alarm clocks,snoozing and birthday celebration. 3. Multi-color LCD backlight. 4. Tempreture: °C&°F changeable. 5. 16 world famouse songs and BiBi sound. 6. Operated by 3AAA batteries(not included) or DC5V USB cable to connect PC.