[Powerful 60W Sound]Experience theater-level audio with a robust 60W bass speaker, delivering thunderous and rich sound even in outdoor settings. [360° Surround Sound]Four-unit flagship acoustic configuration with a large built-in bass driver provides immersive, omnidirectional audio for an exceptional listening experience. [Dual Bass Resonance Chamber]Two independent bass diaphragms create a "dual bass resonance chamber," doubling the bass volume for an impressive outdoor audio performance. [High-Fidelity Audio]42mm/1.65-inch tweeter accurately reproduces vocal details and instrumental accents, ensuring crystal-clear melodies in open-air environments. [Long-Lasting Battery]Enjoy long playtime with the high-capacity 8000mAh battery, perfect for extended outdoor use. [Versatile Connectivity]Supports Bluetooth-compatible, TF card, USB, and Aux input for flexible audio playback options. [RGB Lighting Effects]Enhance your audio experience with vibrant RGB color light effects, adding a visual dimension to your music. Specifications: Bluetooth Version: 5.3 Transmission Range: Approx. 10m Playback Time: Approx. 5 hours Charging Time: About 3-4 hours Signal-to-Noise Ratio: ≥90dB Working Voltage: 7.4V Frequency Response: 20Hz-20KHz Battery Capacity: 8000mAh Speakers: 4Ω50W*1 + 4Ω10W*1 Distortion: