IPX7 WaterproofWith level 7 waterproof function, you can use it in different environments without worrying about being victimized by water. Whether you are at the beach, pool or outdoor sports, you can use it with 66-inch full-range loudspeakerThis audio device features 66" full-range large speakers, which can provide high-quality audio playback effect. Whether you are at home, in your car or outdoors, you can enjoy a stunning music experience. Multi-functional song playback Support TF card, USB flash disk, Bluetooth and other audio playback methods to meet your different needs. Whether you want to listen to CD, MP3 or streaming music, it can be easily realized. TWS InternetSupporting TWS interconnection, it can realize dual-channel stereo playback, providing a more realistic audio experience. Whether you are at home or outdoors, you can enjoy a theater-grade audio experience. Fantasy lighting effectsThe device comes with seven-color cool lights and unique transparent chamber design for visual enjoyment. Whether during the day or at night, you can make your stereo the center of attention.