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| Model | WS-28 |
| Material | ABS |
| Functions | music play |
| Bluetooth version | V5.4 |
| Bluetooth chip | V5.4 |
| Capacity | 300mAh+30mAh*2 |
| Charging Way | Type-C |
| Time For Charging | ≈1.5H |
| Average battery life | ≈4H |
| Speakers | 13mm |
| Power | 3mW |
| Impedance | 32Ω |
| Frequency Range | 100Hz~20kHz |
| Product color | White |
| Product Size | 49*46.2*20.4mm |
| Product Weight | 40g |
| Packed Weight | 91g |
| Packed Size | 49*46.2*20.4mm |
| PCS/CTN | 150PCS |
| Carton size | 60*33.5*49cm |
| G.W. | 16kg |
| Certifications | FCC CE ROHS |
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