Brand new in box Sennheiser PXC 550 Wireless NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life Bluetooth 4.2 wireless technology in an ergonomically designed lightweight, comfortable and collapsible travel headset perfect for travel. Connectivity Technology: Wireless NoiseGard adaptive noise cancellation ensures superior sound quality in every environment. Intuitive user control and convenience thanks for voice prompts, touch controls, NFC pairing, smart pause and automatic on/off. Triple microphone array delivers business class communications with exceptional vocal clarity..Sennheiser sound signature quality with selective sound modes to enhance the listening experience.