1. Model: VH003 2. Speaker Configuration: 8 units - 2 tweeters, 4 2.5-inch full-range speakers, and 2 large diaphragms. 3. Supports audio input, AUX input, coaxial input, and wireless Bluetooth connection. 4. Frequency Response: 50HZ ~ 20Hz 5. Product Dimensions: 880mm*80mm*103mm 6. Power Supply: 5V2A 7. Battery Capacity: 3600mah 8. Gross Weight: 2.45kg; Net Weight: 2kg 9. Bluetooth Version: 5.0