The EPOS EXPAND 40 Speakerphone is a high-quality speakerphone designed for use with computers or tablets. With its USB connectivity, it allows for easy setup and use. The battery feature provides added convenience, allowing for use even if the device is not connected to a power source. The sleek black design adds a professional touch to any workspace. Made by the reputable brand EPOS, this speakerphone is sure to deliver clear and crisp audio for all your communication needs.