Sennheiser HD 4.40-BT Bluetooth Headphones (Black)
- Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality; Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone
- NFC for simple pairing with compatible devices; Audio Cable Length (Optional/Detachable): 1.4 m audio cable, 3.5mm angled, gold-plated plug
- Up to 25 hours battery life and is supplied with connecting cable for battery-free listening
- Ear coupling closed, circum-aural; Dynamic transducer principle; Product comes with Case
- 2 years warranty when purchased from an authorized Sennheiser dealer
- With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions
| Brand | Sennheiser |
| Model | HD 4.40 BT |
| Model Year | 2017 |
| Item Weight | 222 g |
| Product Dimensions | 18 x 10 x 26 cm |
| Batteries: | 1 CR2 batteries required. |
| Item model number | HD 4.40 BT |
| Additional Features | Wireless, Microphone-Feature |
| Included Components | Headphones, Carry Pouch, Charging Cable, Connecting Cable, Quick Start Guide |
| Number Of Items | 1 |
| Colour Screen | No |
| Microphone Form Factor | Built-In |
| Speaker Connectivity | Wireless |
| Headphones Form Factor | With Microphone^Volume control |
| Battery Average Life | 25 Hours |
| Batteries Included | No |
| Batteries Required | No |
| Battery Cell Composition | Lithium Ion |
| Wireless Type | Bluetooth |
| Connector Type | Bluetooth |
| Device interface - primary | Buttons, Microphone |
| Contains Liquid Contents | No |
| Includes Rechargable Battery | Yes |
| Includes AC Adapter | No |
| Includes Remote | No |
| Supports Bluetooth Technology | Yes |







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