| Features | |
| 3.5 mm plug in-ear earphones Freely talk with your friends with the equipped microphone Freely adjust the volume Attaches with a 1.2 m flat cable Compatible with iPhone, PC and other 3.5 mm jack digital devices | |
| General Specs | |
| Brand & Model | LANGSTON iv-5 |
| Type | In-ear earphones |
| Microphone | Yes |
| Sensitivity | 110dB |
| Max. Output Power | 19mw |
| Impedance | 16ohms |
| Frequency Response | 13-22500Hz |
| Plug Standard | 3.5 mm |
| Cable Length | 1.2 m |
| Compatibility | iPhone, PC, cell phones, MP3 players, etc. |