W20 - Technical Specifications
| Mic Dimension | 4.0x1.5mm |
| Directivity | Omnidirectional |
| Impedance | <2.2Kohm |
| Sensitivity | -42dB (at 1 KHz) |
| Driver Diameter | 10mm |
| Frequency Response | 20Hz - 20KHz |
| Cord Length | 1.2 m |
| Plug | 3.5mm |
| Net weight | 35g |
| Inside the box | W20 Wired Earphone | Boom Mic | S/M/L Ear Tips |