1. Model: VH006 2. Equipped with dual microphones! 3. 8 units: 2 tweeters, 4 2.5-inch full-range speakers, and 2 large diaphragms. 4. Supports audio input, AUX input, coaxial input, and wireless Bluetooth connection. 5. Frequency Response: 50HZ ~ 20Hz 6. Product Dimensions: 880mm*80mm*103mm 7. Power Supply: 5V2A 8. Battery Capacity: 3600mah 9. Gross Weight: 3.25kg; Net Weight: 2kg 10. Bluetooth Version: 5.0