"Dell Mobile Adapter Speakerphone MH3021P USB-C - 2xUSB-A, 1xUSB-C-power delivery, 1xHDMI Ports & Slots 1. RJ-45 | 2. USB-A 3.1 Gen2 | 3. USB-A 3.1 Gen2 | 4. USB-C (Multifunctional with up to 90W power pass through, 4K@30Hz, USB 3.1 Gen2) | 5. HDMI 2.0