| Cable length | 32 MM |
| Foldable Design | Yes |
| Colours | Black |
| Compatible Models | Media player, Mobile Phone, Tablet |
| Detachable cable | Yes |
| Call control | Call Attend/Reject |
| Music control | Volume Increase/Decrease, Track Play/Pause, Next/Previous |
| Bluetooth features | Auto Pairing |
| Range | 10 meter |
| Bluetooth Profile | aptX |
| Bluetooth Version | 4.0 |
| Connectivity | Bluetooth |
| Playback time | 25 Hours |
| Charging type | USB |
| Microphone | Yes |
| Mic type | Omni directional |
| Mic frequency | 10000 Hz |
| Type | Wireless |
| Design | On ear |
| Open or closed back | Closed Back |
| Fit | Over the head |
| Title | Sennheiser HD 4.40 |
| Warranty | 2 Years |
| Box Contents | Headphone, Charging Cable, User Manual, Warranty Card |
| Brand | Sennheiser |
| Model | HD 4.40 |
| Impedance | 18 Ohms |
| Max frequency response | 22000 Hz |
| Min frequency response | 18 Hz |
| Driver type | Dynamic Driver |
| Magnet Material | Neodymium |
| Sensitivity | 113 dB/mw |
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