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Wireless Bluetooth Headphone with 150mAh Battery,V4.2 Wireless Headsets
Publish：2019/06/15 Bluetooth Headphone View：920
Paremeter:
| Item | B21 |
| Bluetooth version | 4.2 |
| Operation Distance | 10m |
| Frequency response | 20Hz-20 KHz |
| Sensitivity | 110dB ±5dB |
| Speaker | Ø40mm |
| Impedance | 32Ω |
| Rechargeable lithium battery | 150mAh |
Parameter
| Item | B21 |
| Bluetooth version | 4.2 |
| Operation Distance | 10m |
| Frequency response | 20Hz-20 KHz |
| Sensitivity | 110dB ±5dB |
| Speaker | Ø40mm |
| Impedance | 32Ω |
| Rechargeable lithium battery | 150mAh |
| Talking Time | 4hours |
| Charge Time | < 2hours |
| Accessories | USB Cable/3.5mm Audio Cable/Manual/Gift Box |
| Color | RED/Gold/Silver/Black |
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