Check the listing for details. Sony TDG-BR250 Active 3D Glasses. Condition: Used. Listed at 13.99 USD. Please note that this Sony 3D glasses is sold without its original packaging, making it an affordable option at half the price. Rest assured, the device is fully functional and in excellent condition. Enjoy 3D content without compromising to picture quality with the Sony TDG-BR250/B Rechargeable 3D Adult Glasses. Enjoy features such as excellent color accuracy and high contrast, wide viewing angle for flexible sitting, an ergonomic design for high comfort, and seamless synchronization for a clear precise image. Enjoy 3D content without compromising to picture quality Key Features Excellent Color and High Contrast:Enjoy 3D content in excellent color accuracy and high contrast with the Sony TDG-BR250/B glasses. Wide-Viewing Angle:Experience 3D from a wide-viewing angle with Sonys dynamic 3D active glasses. Stylish and Ergonomic Design:Enjoy comfort with the stylish and ergonomic design of the Sony TDG-BR250/B glasses with adjustable frames that will fit just about everyone in your family. Synchronization:Enjoy a 3D experience with Sony 3D glasses that automatically synchronize with Sony 3D TVs. USB Rechargeable Battery:Simply charge the built-in battery for about 3 minutes in your Sony TDG-BR250/B glasses via USB for about 3 hours of use.