Sennheiser HD 450SE Bluetooth Wireless Over Ear Headphones with Mic Black

• Bluetooth 4.0 and apt technologies deliver exceptional wireless sound quality; Connectivity Technology: Bluetooth
• Noise Gard active noise cancellation reduces ambient noise levels improving the listening experience
• Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone
• Up to 19 hour battery life with Bluetooth and Noise Gard activated and is supplied with connecting cable for battery-free listening
• Impedance: 18 Ohm; Sound pressure evel (SPL)- 113 dB (passive: 1 kHz / 1 Vrms); Frequency response- 18 ? 22,000 Hz
• Country of Origin: China

HD 4.50 SE Wireless Bluetooth Noise Cancelling Headphones Black Sennheiser's HD 4.50 SE headset introduces high quality wireless sound for every day listening on the move. The closed back, around ear headset is the perfect companion for cable-free listening with mobile devices. Noise Gard: noise cancellation technology intelligently filters out ambient noise, while Bluetooth 4.0 and apt compatibility help deliver true Hi-Fi sound with a detailed acoustic performance. The headset is also designed for ease of use, with features such as NFC for hassle free pairing and intuitively positioned ear-cup mounted call and track controls. With a long-lasting battery life, robust high quality build and a compact foldable design for storage in the supplied protective case, the HD 4.50BTNC is perfect companion for an active lifestyle.