The Sony MDR-J11G headphones feature a weather-resistant, in-ear design. These inexpensive headphones offer ergonomically correct clips for a secure earpiece fit, along with a full-range 20 Hz to 20 kHz frequency reproduction. They're designed with strenuous athletic activity in mind, and may be used outside or inside.
| Type | Vertical, In-Ear, Open-Back Dynamic Stereo Headphones |
| Frequency Range | 20 Hz - 20 kHz |
| Impedance | 16 Ohms |
| Sensitivity | 104 dB/mW |
| Maximum Input Power | 1000 mW(EIA) |
| Connectors | 1/8" Right Angle Stereo Mini Jack |
| Cable Length | 4' (1.2 m) |
| Weight | Not Specified by Manufacturer |