Aurora light projection lamp ocean waves sound sleep lamp can be connected mobile phone， computer， MP3 music， let you enjoy the beautiful environment， but also can enjoy the wonderful music， monochrome pattern projection area of about 10 square， bright patterns of about 30 square feet， the effect of realistic product dimensions: length 13.5* width 13.5* high 12.5CM standard accessories: USB cable 1 meters long， 0.5 meters power plug， audio line power supply: DC， USB power supply， battery powered (three kinds of power supply) product net weight: 550G packing: color box packaging.