Dell Mobile Adapter Speakerphone - MH3021P

Tech Specs

Quick Specs

Dimensions (Diameter x Height)
119mm x 32mm (4.7inch x 1.25 inch)
214g (7.5oz)
Host Connection
Cable Type ; Length
Round coaxial ; 465mm

Ports & Connectors

USB-C Cable (Data / Power / Video)
1 x USB-C multi functional cable that supports data transfer, power delivery and display
Total Ports
1 x USB-C, 1 x HDMI, 2 x USB-A
Data Ports
2 x USB-A 3.1 and 1 x USB-C 3.1 that supports data transfer up to 10Gbps
Power Delivery Port
1 x USB-C that supports power delivery up to 90W
Video Ports
  • HDMI 2.0 : 4K (3840 x 2160) @ 60Hz (HDR Support)
  • USB-C : 4K (3840 x 2160) @ 60Hz (HDR Support)
Plug & Play Support
Yes (No drivers installation)
Supported Operating System
Win10 64 Bit, Mac OS, Win11 64 Bit


Speaker Type
Electrodynamic Speaker with Neodymium Magnet
Speaker Frequency Range
200Hz - 20kHz
Microphone coverage
360 degrees, omni-directional
Microphone Frequency
100Hz – 10kHz
Digital Signal Processing
In-built echo cancelation and noise reduction
Supported UC Platforms
Optimized for leading UC platforms
Answer an incoming call, End current call, Reject an incoming call, Mute/Un-mute, Volume +/-

Dell Mobile Adapter Speakerphone - MH3021P

Est. Value
Dell Price
back in rewards
Product ID


Integration like never before

Stay productive in your home or at the office with this World’s first multi-port adapter with integrated speakerphonei.

Its numerous ports offer a variety of connectivity options, while its built-in speakerphone offers great conferencing convenience. Now you can charge your laptop while being connected to a display and your keyboard and mouse, plus get on a conference call -- all at the same time.

Compact and portable: Sleek and small, its compact design takes up little space, so you can easily fit the multiport adapter into your bag and take it anywhere.

Efficient cable management: Simply wrap the cable around the base when you're done — what could be easier? This prevent tangles and ensures it stays neat in your bag.

Quick setup: Setup is fast and easy -- connect instantly without having to download any software for a ready-to-go solution. No drivers required.

Dell Mobile Adapter Speakerphone – MH3021P data sheet
Integration like never before
Connect extensively. Charge conveniently.

Connect extensively. Charge conveniently.

Get more done with this multiport adapter. Connect to a display, transfer data and power your computer all at once while you are on a call.

Uncompromising screen performance: Supporting the latest industry standards, this Dell multiport adapter lets you enjoy sharp images at up to 4K resolution at 60Hzi when you connect your external display via the HDMI 2.0 porti or USB-C porti. It's ideal for sharing your presentations and videos! You can also take advantage of HDR compatibility for vivid visuals and lifelike images.

Super-fast file transferi: Work faster and smarter. Speeds of up to 10Gbps let you transfer large media files in seconds via the USB-C and USB-A ports.

Charge your PCi: With up to 90W Power Delivery, you can easily charge a variety of PCs -- simply plug in your USB-C power adapter or display to the USB-C port on your adapter speakerphone.

For more details on power behavior, please click here

Your everyday conferencing solution

Enjoy a seamless conferencing experience with the built-in speakerphone that gets you ready for daily calls and check-ins.

Omnidirectional microphone: The integrated microphone picks up sound from around the table, so every voice is heard.

Intuitive call controls: Speakerphone buttons make it easy to start calls, hang up and mute/unmute and adjust the volume. LED indicators provide clear visual guidance.

Echo cancellation and noise reduction: Enjoy crystal-clear calls every time. The smart design reduces unwanted background noise and echo.

UC platform compatible: The device is Zoom certified and optimized for leading UC platforms like Teams, it lets you get on conference calls via your preferred platforms.

Click here for a list of UC platforms.
Your everyday conferencing solution
Features and ports

Features and ports

1. Speakerphone | 2. Answer call | 3. Volume down | 4. Mute/Unmute | 5. Volume up | 6. End/Reject call | 7. LED indicators| 8. USB-C connector | 9. USB-C cable | 10. USB-A 3.1 (10Gbps) | 11. Microphone | 12. HDMI 2.0 port (4K) | 13. USB-C port (display, data and power delivery) | 14. Microphone


Windows 10 64-bit
USB-C Monitors


What's in the Box

Dell Mobile Adapter Speakerphone - MH3021P


1-Year limited warranty*

*Pouch not covered

World’s first USB-C adapter with integrated speakerphone offers an all-in-one connectivity and conferencing solution.