TWS-i21
| Model No. | i21 |
| Bluetooth chipset | JL6973 |
| Bluetooth version | V5.1 |
| Playing time | 5 hours |
| Earphones battery | 40mAh *2pcs |
| Case battery | 400mAh *1pc |
| Drivers size | 10mm |
| Microphone | Silicon Micro. |
| Charging port | Type -C |
| Colors | Black, Red, White |
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