1. Select from the following six light modes: Red, Green, Blue, long bright, Dynamic beating, and Synchronous RGB. 2. Volume control and power on/off 3. A better bass effect. 4. 5V, USB, and 3.5mm audio power input 5. RMS speaker: 3 W x 2 6. Dimensions of the speaker unit: 2 inch by 2 7. Hz: 150 Hz to 20 kHz 8. Ratio of signal to noise: ≥65 dB 9. Dimensions of the product: 400 x 75 x 67 mm 10. Composition: Polymers