Manufacturer: Sony Product Name: Wireless Headphones Product Model Number: WF-L900/HM Color: Gray Retail Price: Open Price [The product is unopened and unused.] An open and new listening style that doesn't cover your ears Adopts a ring-type driver unit with the center of the diaphragm open. Because it doesn't cover your ears, there's no feeling of pressure, and you can clearly hear the surrounding sounds even while wearing the earphones, allowing you to enjoy a new listening style that connects the real and online worlds. Sony's smallest and lightest compact design in the history of truly wireless headphones. The stress-free fit without covering your ears allows for comfortable use for extended periods. High-quality call quality is achieved through high-precision voice pickup technology that performs advanced audio signal processing. A noise reduction system realized by an AI-based machine learning algorithm suppresses ambient environmental noise and clearly extracts your voice. *Packaging will be simple. (Please refrain from purchasing if you are sensitive to this.) *Please note that shipping operations will not be conducted on weekends and holidays.