Sony MDR-DS7500 Wireless Digital Surround Headphones System Another game changer from electronics giant Sony Japan comes the latest generation of wireless headphone with a newly developed chipset for 3D audio as well as Dolby NR professional Logic II z decoder supporting audio signals up to 7.1Ch. DMI inputs on the processor enables the new DS7500 to decode HD audio such as Dolby TrueHD. Also supports multi-channel linear PCM as well as Bravia HDMI CEC. Three HDMI inputs with 1 line HDMI output allows you to connect to your devices freely. Other improvement also comes with its support for 3D glasses, with a new flexible leather cushion that will not disturb you when watching 3D movies wearing both this Wireless Headphone as well as your mandatory 3D glasses. Select from Sony's new "New Cinema mode" which is developed in cooperation with Sony Pictures Entertainment by analyzing the measured data for movie production in theaters. By combining with Sony's VPT technology this "New Cinema mode" "reproduces the sound of an ideal movie theater." In addition, a 2ch stereo voices under the "Voice mode" and "Game mode" are also available for optimized vocal and gaming reproduction. The MDR-DS7500 weight 325g, has an 18h continuous battery life, a 5-25,000Hz reproduction bandwidth and support Dolby NR TrueHD, Dolby Digital plus, Dolby Digital, Dolby NR professional logic II z, Dolby NR professional logic. x, DTS-HD mastering audio, DTS-HD high-resolution audio, DTS 96/24, DTS-ES, DTS, Neo:6, MPEG-2 AAC, and linear PCM7.1ch/5.1ch With up to 18 hours of continuous playback time the new DS7500 is one of the most advanced wireless headphone systems on the market.