Specifications:
| General Specification | |
| Brand Name | Plextone |
| Model Number | X31M |
| Color | Black， White |
| Wearing Type | In-ear |
| Cable Length (m) | 1.2m |
| Technical Parameters | |
| Microphone | Yes |
| Wired Control | Support |
| Plug Type | 3.5mm |
| Driver Unit | 10mm |
| Sensitivity | 110dB |
| Impedance | 32Ω |
| Frequency Response | 15Hz-21kHz |
Package Included:
 | 1 X Plextone X31M In-ear Earphone |
| 1 X Manual | |
| 3 X Pairs Earbuds | |
| 1 X Cable Clip |