CSR Reporting 267 12/11/08 11:44Sony Global - Examples of Eco-Conscious Sony Products 3/5 ページfile:///Volumes/DATA/進行中/282045-ソニーCSR-PDF化/sony-csr/SonyInfo/sony-csr-eng/09-environment/products/index5.html XBA-NC85D Noise Canceling Headphones Sony made each of the devices that are normally housed in a control box smaller and more efficient and moved them into the earbuds themselves to completely eliminate the cord mounted control box of these headphones.