Sennheiser HD 4.50 Bluetooth Wireless Headphones with Active Noise Cancellation

Sennheiser HD 4.50 Bluetooth Wireless Headphones with Active Noise Cancellation, Black and Silver(HD 4.50 BTNC). 

• Bluetooth 4.0 and aptX advancements to convey outstanding remote sound quality..Connectivity Technology: Wireless
• NoiseGard dynamic commotion crossing out to lessen surrounding clamor levels enhancing the listening experience
• Intuitive ear-container mounted controls for changing tracks and for making calls through the incorporated mouthpiece. Recurrence reaction (Microphone) : 100 – 10,000 Hz
• Up to 19 hour battery existence with Bluetooth and NoiseGard initiated and is provided with associating link for sans battery listening
• 2 year guarantee when acquired from an approved Sennheiser dealer