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| Model | D31 |
| Material | PC+Acrylic |
| Functions | Music Play |
| Bluetooth Version | 5.0 |
| Type of Battery | Li-Polymer |
| Capacity | 2000mAh |
| Charging Way | TYPE-C, DC5A-1A |
| Time For Charging | 3H |
| Average Battery Life | 3H Max ( with lights ), 8H Max ( without lights ) |
| Speakers | OD57mm |
| Power | 8W |
| Impedance | 4Ω |
| Frequency Range | 40Hz-20Khz |
| Color | black |
| Product Weight | 670g |
| Product Size | 119*120*219mm |
| Packed Weight | 819g |
| Carton Size | 61*39*25.5cm |
| G.W. | 13Kg |
| Certifications | CE ROHS FCC |
