Check the listing for details. Winbridge WB001 Portable Voice Amplifier Digital Player. Color: WB001, Condition: New, Made in China. Listed at 19.90 USD. The Winbridge WB001 Portable Voice Amplifier Digital Player by Oregon Scientific is a compact and lightweight device designed to amplify the sound of your phone for increased visibility and clarity. With its portable design, this voice amplifier is perfect for use in meetings, presentations, or any setting where clear communication is essential. The device features a sleek design in WB001 color and is powered by a single Lithium Polymer battery for convenience and flexibility. Whether you need to enhance your voice for a PowerPoint presentation or make sure everyone hears you during a business meeting, the Winbridge WB001 Portable Voice Amplifier is a reliable and versatile tool to have in your arsenal.