| Model Number | D20 |
| Bluetooth Version | v5.0 |
| Type of Battery | Li |
| Capacity | 500mAh |
| Charging Way | micro USB |
| Time For Charging | 3-4h |
| Average Battery Life | 72h |
| Impedance | 4Ω |
| Frequency Range | 100khz-15khz |
| Color | black,white |
| Product Weight | 178g |
| Product Size | 117*38*80mm |
| Packed Weight | 239g |
| Packed Size | 160*45*122mm |
| PCS/CTN | 50pcs |
| Carton Size | 635*235*336mm |
| G.W. | 13.3kgs |
| Certifications | CE/FCC/RHOS |
| Product Status | OEM available |










