Koller Products AquaTunes 3-Gallon Fish Aquarium Sleep Sound Machine, Pre-Recorded Natures Sound, MP3 Player and Speaker Included Pre-recorded with calming sounds of Ocean Waves, Bubbling Brook, Rain Forest and Thunderstorms Energy-efficient LED lighting with multiple dazzling color selections you can choose. Perfect for daylight or nightime viewing depending on your mood or time of day or night. UGF with natural, biological filtration keeps aquarium water crystal clear and your fish healthy. The bubbling effect enhances beneficial gas exchange, all-the-time increasing oxygen levels. One-piece construction provides superior strength and durability. Unlike glass tanks glued together with silicone, this break-resistant plastic tank puts to rest any worries or concerns about possible leaks.Offering a unique, trendy shape only plastic can provide with crystal-clear clarity so good most think its made of glass. Ideal for families with children. We are constantly updating our products for a better consumer experience. The aquarium you receive may have a different part than what is pictured here and we apologize for any inconvenience this may have caused. Please contact us at customercare@kollerproducts.com with any questions or concerns relating to a model change, update, or customer service needs. We appreciate your business and well take good care of you.