— this is a big plus. Glare is minimal, unlike glossy portable monitors that turn into mirrors in bright rooms.

spectra-sp90m-review

Use the Mini HDMI port. You’ll need to power the monitor separately via the second USB-C port (plug into any USB-A charger or power bank).

If your laptop has a USB-C port that supports DisplayPort Alt Mode (most modern MacBooks, Dell XPS, Surface, etc.), one USB-C cable carries both video and power. No separate power brick needed.

Looking for a lightweight, high-res portable monitor? We put the Spectra SP90M to the test. Check out our full review of its display, build, ports, and real-world use. Introduction Let’s face it: working from a single laptop screen feels cramped once you’re used to a dual-monitor setup. But carrying a full-sized desktop monitor everywhere is not an option.

For a portable 4K monitor, the SP90M hits all the right notes: sharp display, lightweight, easy connectivity, and good build quality. The only real compromises are the 60 Hz refresh rate and mediocre speakers — both expected in this category.

are excellent (IPS panel). No color shift when looking from the sides.