... calender & indoor temperature 4. pen holde mini usb desktop aquarium brithday, fastival ,christmas etc,best gift give your ... ; moreover, on the pen holder, a LCD screen will show the calendar with time/date, week/temperature ... sound alarm clock* Small size, good desk decorationSpecification:Aquarium Volume: 1.5LPower Supply: USB or 3pcs AA ... , please contact in private! festival usb desktop aquarium