| Features | |
| In-ear earphones with superb sound quality Built-in microphone for hands-free calling Convenient 1.2 m flat cable Universal 3.5mm plug | |
| General Specs | |
| Brand & Model | Langston JM-12 |
| Sound | Excellent bass stereo sound |
| Type | In-ear earphones |
| Microphone | Yes |
| Volume Control | N/A |
| Impedance | 32 ohms |
| Frequency Response | 13Hz-22.5kHz |
| Sensitivity | 110 dB |
| Connector | 3.5 mm audio jack |
| Cable Length | 1.2 m |
| Compatibility | iPhone, iPad, cell phone, tablet PCs and other portable devices with a 3.5 mm audio jack |