Sennheiser HD1 M2 AEBT Wireless Over Ear Headphones with Momentum - Ivory, NOB ————- Contents: Come with accessories in retail box. New Opened Box Condition. ———— The ivory HD 1 Wireless Over-Ear Headphones with NoiseGard from Sennheiser are a combination of performance, style, and high-quality materials such as genuine leather earcups and stainless steel sliders. They can be used to listen to music and take calls using Bluetooth 4.0 technology, and are compatible with smartphones, MP3 players, tablets, and other portable devices. Sennheise