| Features | |
| Stereo sound effect Standard 3.5 mm audio plug Equipped with a IP and NK switch Press the "IP" button to be compatible with iPhone, Samsung new models, HTC, Xiaomi, MEIZU, Sony, Blackberry phones Press the "NK" button to be compatible with Nokia, Samsung old models, HUAWEI, Sony Ericsson, LG, Motorola, ZTE, Lenovo, Kupai Built-in microphone Attached with a 1.2 m cable | |
| General Specs | |
| Brand & Model | LANGSTON iN-28 |
| Sound | Stereo |
| Microphone | Yes |
| Impedance | 32ohm |
| Sensitivity | 110dB/V |
| Max. Input Power | 19mW |
| Frequency Response | 13Hz-22.5KHz |
| Connector | 3.5 mm audio jack |
| Cable Length | 1.2 m |
| Compatibility | Samsung, HTC, iPhone, Nokia, etc. |