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Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C to HDMI… competes with other MacBooks products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full MacBooks category for alternatives.

Glomtheia

Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C to HDMI Splitter for Laptop MacBook Pro/Air, Support 4K@30Hz Double Monitors or 4K@60Hz Single Monitor

Name: Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C to HDMI Splitter for Laptop MacBook Pro/Air, Support 4K@30Hz Double Monitors or
Brand: Glomtheia
SKU: B0F9F8SY15
Price: 14.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-24

$14.99

Buy on Amazon — $14.99 Compare to similar macbooks

*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.

Bottom line: The Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C to HDMI Splitter for Laptop MacBook Pro/Air, Support 4K@30Hz Double Monitors or 4K@60Hz Single Monitor is a niche pick — read recent reviews before buying in the macbooks category, priced around $14.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C… as a niche pick — read recent reviews before buying in the macbooks category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Glomtheia's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for macbooks of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Glomtheia's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Dual 4K HDMI Output – This USB C to HDMI hub supports dual monitors at 4K@30Hz (extended mode on Windows) or a single 4K@60Hz display. Perfect for multitasking, gaming, or presentations. macOS only supports mirror mode due to system limitations.
Multi-Device Connectivity – More than just a USB C hub, this adapter transforms your laptop into a docking station for dual monitors, eliminating the need for multiple dongles. Ideal for workstations or home office setups.
Universal Compatibility – Works with Thunderbolt 3/4, USB4 and DisplayPort Alt Mode devices including MacBook Pro/Air, Dell XPS and Lenovo ThinkPad (requires DP-enabled USB-C port). Not compatible with HP Pavilion, Lenovo IdeaPad or Linux systems. Windows supports extended mode while macOS/iPadOS only mirror mode. ChromeOS compatible.
Plug-and-Play Convenience – No drivers required—simply connect your USB C to HDMI adapter and instantly extend or mirror your screen. For best performance, use HDMI 2.0 cables and connect monitors first.
Sleek & Portable Design – Compact and lightweight, this dual monitor docking station alternative fits easily in your bag, making it perfect for travel or office use. Backed by an 18-month warranty for peace of mind.

Full Specifications

Brand	Glomtheia
Color	silver
Connectivity	USB-C
Compatibility	Mac, Linux
Mfr Part Number	2
Number of Ports	2
Special Feature	Lightweight, Plug and Play, Portable
Enclosure Material	Aluminum
Hardware Interface	HDMI
Additional Features	Lightweight, Plug and Play, Portable
Warranty Description	1 Year Manufacturer
Item Dimensions L x W x H	2.3"L x 2"W x 0.5"H

Ready to buy?

Dual HDMI Adapter for 2 Monitors Extended Display 1 in 2 Out, USB C to HDMI Splitter for Laptop MacBook Pro/Air, Support 4K@30Hz Double Monitors or 4K@60Hz Single Monitor is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.