New cross-border Bluetooth speaker backpack, integrated with ambience lighting, portable wireless audio and shock subwoofer, lightweight design for on-the-go. Features the latest Bluetooth technology for stable connection and pure sound quality. Equipped with a large capacity battery for long-lasting performance, ideal for outdoor travel. Unique ambience lighting design creates a romantic atmosphere, adding fun to parties and camping. Waterproof and dustproof, suitable for various environments. Brand certification ensures quality. Addresses the needs for sound quality, portability, and functionality, allowing music to accompany you anytime and anywhere, enhancing the quality of life. Choose us, choose a different music experience.