Skip to main contentSkip to footer
Slide 1 of 4

Overview

2.4G wireless HDMI screen‑mirroring dongle supports 4K ultra‑HD image output. Cast content from mobile phones and tablets to TV, monitor or projector. Compact plug‑and‑play casting adapter for home entertainment, meetings and media playback.

2.4G Wireless HDMI Screen Mirroring Dongle, 4K Ultra HD Casting Adapter for Mobile Phone, Tablet to TV and Projector`

Model: WMHDMI04K
Web Code: 20112528
Sold and shipped by | 2.0 seller rating (7 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

> **Product Overview**

> This 2.4G wireless HDMI screen‑mirroring dongle supports 4K ultra‑high‑definition video output. It allows you to cast photos, videos, streaming media and presentations from mobile phones and tablets onto HDMI‑equipped televisions, monitors or projectors. Compact plug‑and‑play design simplifies home entertainment viewing and small‑scale meeting demonstrations without complicated cable wiring.

>

> **Key Features**

> • 2.4G wireless transmission for stable screen mirroring signal

> • Supports up to 4K Ultra‑HD video output for clear visual performance

> • Compatible with mobile phones, tablets for casting to TV, projector and HDMI displays

> • Compact dongle‑style body, easy to plug in and store

> • Plug‑and‑play setup, no extra complicated driver installation

> • Synchronized audio‑video transmission for movie, video and presentation playback

> • Suitable for home entertainment, classroom teaching and office small‑meeting scenarios

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer accessories
Return/Exchange Period
30 days
Condition
Opened

Learn more about returning a Marketplace product