Water proof,Angle adjustment,Swinging filter Built-in a mini speaker (via 3.5mm audio jack) Feel calm under the natural beauty--- deep and peace sea Create romantic, leisure and cozy atmosphere to achieve physical and mental relaxation effect Enjoy wonderful music ---built in Mini Speaker can be as iPod, iPad, iPhone, MP3 speaker Enjoy it in ---the bathroom,enjoy your own SPA ; the living room.feel like being on a romatic date; the bedroom,you will feel like swimming in the blue ocean The projector needs 4 AA batteries (no included), also supports external USB and 4.5V DC plug Automatic sleep function, the projector automatically closed an hour later Projected swinging light like a ocean surface makes you relax at bath room or living room
