Sennheiser HD 4.50 BTNC Wireless Bluetooth Headphones with NoiseGard Active Noise Cancellation

Features:

• Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality..Connectivity Technology: Wireless
• NoiseGard active noise cancellation to reduce ambient noise levels improving the listening experience.
• Intuitive ear cup mounted controls for changing tracks and for making calls via the integrated microphone. Frequency response (Microphone) : 100 10,000 Hz.
• Up to 19 hour battery life with Bluetooth and NoiseGard activated and is supplied with connecting cable for battery free listening.