Mark Levinson No 5909 Wireless ANC Headphones are luxurious, lightweight and durable. The first headphones from Mark Levinson, the No 5909 have been made using Mark Levinson 50 years work of experience making hi-fi equipment. Adaptive ANC The No 5909 headphones come with adaptive ANC that reduces background noise and they give you audiophile quality sound using 40mm beryllium-coated drivers and high-resolution Bluetooth 5.1 connectivity. The No 5909 has then been rigorously tested and expertly tuned to an acoustic response curve to create the best sound experience possible. Crystal Clear Calls Take crystal clear calls using the No 5909’s four beam-steering microphones that have smart wind adaption that is designed to prevent your voice from being drowned out by any surrounding noise. Simultaneously, ANC blocks the ambient sounds that might distract you from your conversation. Designed for Travel The No 5909 headphones have been designed for travel, block out background noise using three modes of Adaptive Active Noise Cancellation that. For even more ease of use, the No 5909 comes with Ambient Aware mode that allows you to take to those around you without having to remove your headphones. Additional Features Some noteworthy additional features include being able to personalise your listening experience using the Mark Levinson to change listening settings. The make and feel of the No 5909 is designed to be luxurious and the headphones are made from high end materials such as anodized aluminum. Enjoy up to 34 hours of regular listening time and 30 using the ANC switched on.