Technical Features

When you enjoy the sound of the HD 4.50 Wireless, you enjoy the sound of your music. The rest of the noisy world will be shut out by NoiseGard™, the active noise cancellation developed by Sennheiser. Thus, you can indulge in the refined sound reproduction of this great close-back headset - rich details, vividness and powerful bass -brought about by proprietary Sennheiser drivers. To appropriately complement the Sennheiser quality speakers, this headset comes with state-of-the-art wireless technology and audio codec for reliable transmission and true wireless Hi-Fi sound. While immediate and simple pairing with compatible devices is ensured by Near Field Communication (NFC).
Being out and about often means being apart from proper power outlets. Fortunately, the battery of the HD 4.50 Wireless lets you enjoy NoiseGard™-protected music for up to 19 hours, and up to 25 hours without NoiseGard™.
Design

Streetwise, the HD 4.50 Wireless combines supreme comfort and maximum portability. With its around-ear design and deep, ergonomically designed ear pads, it allows you to enjoy the most extended of listening sessions. While its robust foldable headband design can be neatly stowed away in the included protective case. Featuring a sleek frame made of high-quality materials, the HD 4.50 Wireless is timelessly elegant, making it a pleasure to behold, as well as use - for many years to come.
Other Functions

Everything about the HD 4.50 Wireless is well-conceived. Just get your fingers at the intuitive ear-cup mounted controls and you will feel what we mean. Together with the integrated microphones they make taking and making calls, changing tracks or adjusting the volume a breeze.