... (0~50, 32~122);3) 6 pieces of natural sound(Animal sound,Bird sound, Waves sound, running water, Forest,mixture)4 ... : 00 : 00) hours;5) 7 Color changing backlight: orange,red,green, light,blue,dark blue, lavender,deep purple)Therere two led ... natural sound music optional;7) Music timing function: You may set the time length of music. bird & animal nature sound talking clock