| Brand | Senmai |
| Model | SM-E503 |
| Type | In-Ear |
| Color | Black + silver |
| Quantity | 1 |
| With Microphone | No |
| Driver Unit | 13.5mm |
| Frequency Response | 18~20000Hz |
| Impedance | 32 ohm |
| Sensitivity | 96 +/- 3dB |
| Connector | 3.5mm |
| Cord Length | 120cm |
| Packing List | 1 x Earphones |
| 1 x Clip | |
| 2 x Earbuds |