The HD 4.50 BTNC Wireless Bluetooth Headphones with NoiseGard Active Noise Cancellation from Sennheiser feature high-quality sound and Bluetooth 4.0 technology in a sleek and foldable design. These headphones can be used to listen to music and answer calls, and are well suited for use with smartphones, MP3 players, tablets, and other portable devices.

The HD 4.50 BTNC are built to be portable and can make travel more pleasurable. With their over-ear design, NoiseGard active noise cancellation, and deep, ergonomically designed earpads, these headphones offer lasting comfort, even during extended listening sessions. Their robust, foldable-headband design can be easily and compactly stored.