About this model
The Sennheiser HD 4.50 BTNC are wireless over-ear headphones with active noise cancellation (ANC). They use Bluetooth 4.0 with aptX for high-quality audio and support NFC for easy pairing. The closed-back design and soft ear pads provide comfort and passive noise isolation, while the ANC reduces ambient noise. Battery life is up to 25 hours with Bluetooth and ANC enabled. A detachable cable is included for wired listening when the battery is empty. The headphones feature a built-in microphone and remote for calls and music control. They are a solid choice for commuters and travellers seeking reliable wireless sound with noise cancellation.
Key specs
| Type | Over-ear wireless headphones with active noise cancellation |
|---|---|
| Bluetooth | Bluetooth 4.0, aptX, NFC pairing |
| Battery life | Up to 25 hours (Bluetooth + ANC) |
| Noise cancellation | Active Noise Cancellation (ANC) |
| Microphone | Built-in microphone and remote |
| Wired option | Detachable 3.5mm cable included |
| Weight | Approx. 238g |
| Charging | Micro-USB |
Compatibility
Bluetooth 4.0 compatible with smartphones, tablets, computers and other Bluetooth-enabled devices. NFC pairing works with compatible Android devices. The detachable 3.5mm cable allows wired connection to any device with a headphone jack.
Questions about this model
Can I use the HD 4.50 BTNC without Bluetooth?
Yes, a detachable 3.5mm cable is included for wired listening, even when the battery is empty.
How long does the battery last?
Up to 25 hours with both Bluetooth and active noise cancellation enabled.
Do these headphones have a microphone?
Yes, there is a built-in microphone and remote for taking calls and controlling music.
