Bluetooth 5.1 technology: Builtin V5.1 core chip for stable wireless transmission and a longer connection distance, eliminating wired constraints while enjoying wireless music. Fully enclosed transparent speaker: Fully enclosed transparent sound cavity design preserves light effects and significantly improves speaker performance for clearer, more impactful sound. HD fullrange speaker unit: Builtin fullrange internal magnet speaker delivers fidelity sound for a satisfying listening experience. Colorful ambient lighting: Colorful light with a dedicated light button switch to create atmosphere, enhancing both the visual and auditory experience. Use scenarios: Everyday listening at home: Pair with a phone, tablet, or computer via Bluetooth 5.1 to enjoy wireless music without cables. Desk or small space use: Use as a compact speaker for casual music, calls, and media playback at the computer or in a study area. Social or ambient lighting setups: Combine music playback with colorful lighting to set the mood for small gatherings or relaxation.