| Model Number | VB09 | 
| Bluetooth version | V5.3 | 
| Capacity | 250mAh+30mAh*2 | 
| Time For Charging | 1.5h | 
| Average battery life | 4-5H | 
| Speakers | 13mm | 
| Power | 3mW | 
| Impedance | 32Ω | 
| Frequency Range | 20HZ~20KHZ | 
| Product color | white / black | 
| Product Size | 53.75*53.75*23mm | 
| Product Weight | 37.9g | 
| Packed Weight | 280g | 
| Packed Size | 139*89*27mm | 
| PCS/CTN | 160PCS/CTN | 
| Carton size | 600*335*490mm | 
| G.W. | 15.2kg | 
| Certifications | FCC CE ROHS | 
| Product Status | OEM available | 









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