Havit A20 Plus Colorful Ambient Light Wired Computer Audio Stereo Surround Sound Speaker 1. Professional power amplifier IC, Dolby virtual surround sound technology 2. Dynamic high-fidelity stereo, 52mm full-wave unit, omnidirectional sound stereo surround 3. With a 15-degree elevation design, the sound quality is clearer 4. Colorful breathing lights to create an atmosphere 5. Non-slip base, stable placement, reduce resonance, clear sound quality 6. Metal sound filter, dust-proof and beautiful, protects the speaker 7. Rear independent bass diaphragm 8. Adaptive gain, adjust the subwoofer 9. Independent wire control design, quickly adjust the volume and lighting 10. Output power: 3W x 2 11. Connection method: USB power cord + 3.5mm audio cable USB power cord + Bluetooth connection 12. Power supply: Micro-USB connection power supply 13. Bluetooth version (Bluetooth model): 5.0 14. Frequency response range: 100HZ-20KHZ 15. Signal-to-noise ratio: 75dB 16. Wire length: 130 cm (including wire control) 17. Product size: 10.2 x 9.8 x 8 cm 18. Product weight: 307.6 grams