| Title | Sony MDR-EX31BN |
| Warranty | 1 Year |
| Box Contents | Sony MDR-EX31BN, USB Cable, Hybrid silicone earbuds (S,M L 3x2), Operating Instruction |
| Brand | Sony |
| Model | MDR-EX31BN |
| Compatible Models | Media player, Mobile Phone, Tablet |
| Eartip size | Large, Medium, Small |
| Weight | 34 gm |
| Colours | Black, Red, White |
| Range | 10 meter |
| Noise cancellation | Yes |
| Replaceable earbuds | Yes |
| Call control | Answer/End Call |
| Music control | Volume up/down, Previous track, Next track, Play/Pause, Stop |
| Connectivity | Bluetooth |
| Playback time | 9 Hours |
| Charging type | Proprietary, USB |
| Battery Type | Li-ion |
| Charging Time | 2.5 Hours |
| Microphone | Yes |
| Mic type | Omni directional |
| Mic frequency | 4000 Hz |
| Type | Wireless |
| Design | In ear canalphone |
| Open or closed back | Closed Back |
| Fit | In the Ear |
| Impedance | 16 Ohms |
| Max frequency response | 20000 Hz |
| Min frequency response | 12 Hz |
| Driver type | Dynamic Driver |
| Sensitivity | 105 dB/mw |