Sealed Brand New in Box. The Dell Mobile Adapter Speakerphone in Grey (MH3021P) is a versatile adapter specifically designed for Dell devices. With a 1:2 connection split/duplication capability, this adapter allows you to easily connect multiple devices simultaneously. Its compact and portable design, along with a flat cable length of 1.53 feet, makes it convenient to use on-the-go. The adapter features various connector options including HDMI, USB Type-C, and USB 3.0, ensuring compatibility with a wide range of devices. Additionally, the output voltage of 5V provides reliable power supply for your connected devices.