| AttrName | AttrValue |
|---|---|
| BT Wireless | Bluetooth v5.2 |
| battery indicator | LED |
| chipset | JL |
| material | ABS |
| Waterproof Standard | IPX-5 |
| model number | M21 |
| place of origin | China |
| private mold | Yes |
| Product name | M21 earphone |
| BT | 5.2 |
| earphone battery | 50mah |
| Working time | 3~5hours |
| Active Noise-Cancellation | NO |
| Communication | Wireless |
| Function | bluetooth, Microphone, Power Bank, true wireless stereo |
| Style | In-ear |
| Connectors | None |
| Use | Mobile Phone, Gaming, Sports, Travel, power bank |
| Game atmosphere light | Multicolor |
| Control Button | No |
| Wireless Type | bluetooth |
| Is wireless | Yes |