LIWUYOU Engraved Crystal 3D Cake and Happy Birthday Colorful LED Light Small Speaker, Birthday Cake Engraved a 3D birthdaty cake in crystal ,and a blessing of "Happy birthday" Come with crystal speaker, audio cable, USB cable K9 Crystal: Pure and luxury. Advanced laser inside carving tech insures the amazing 3D effects LED colorful lights: Gradient red, yellow, blue and green lights shine in the precious crystal Birthday Cake when the music is flowing in the air. The best birthday gift for your friends ,family ,lovers , let Crystal witness your true love.