ViewSonic
ViewSonic VX1655-4K-OLED 15.6-inch 4K OLED Portable Monitor with 60 W USB-C
- 15.6" 4K OLED, 100% DCI-P3
- 400 nits, 60 Hz
Live price at the store
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Official product photos: InnoView · source More photos on Amazon
An easy full-HD second screen: two USB-C ports, mini HDMI, built-in speakers and a case that doubles as the stand.
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Our verdict
—If you want a cheap, light second screen for documents, spreadsheets, video calls or a console on the go, start here: two USB-C ports, HDMI, speakers and a case come in the box. The trade-off is the panel — 250 nits and a 45% NTSC...
RightScore appears once live prices from licensed store feeds are connected — we never guess a number.
Read the full verdict15.6 in
Screen size
60 Hz
Refresh rate
1920x1080
Resolution
1.5 lb
Weight (monitor)
Best for
Best thing: Budget-friendly 1080p IPS second screen
Honest catch: Dim (250 nits) with limited colour (45% NTSC) next to modern laptop screens
If you want a cheap, light second screen for documents, spreadsheets, video calls or a console on the go, start here: two USB-C ports, HDMI, speakers and a case come in the box. The trade-off is the panel — 250 nits and a 45% NTSC colour range look dim and muted next to a modern laptop, so it is a work and travel screen, not one for photo editing or bright rooms.
One USB-C cable carries picture and power from laptops and phones whose USB-C port outputs video (DisplayPort Alt Mode or Thunderbolt) — no charger needed on the desk.
No video over USB-C? Use the mini HDMI port for laptops, PCs and consoles, and power the monitor through its second USB-C port from a charger or power bank.
The folio case shields the screen in your bag and folds into the stand, so there is nothing extra to carry.
Built-in dual speakers and a 3.5 mm jack mean videos and calls work without extra gear.
At about 1.5 lb with a slim aluminium body, it fits in a backpack next to your laptop.
How well it suits each use, based on its specifications.
Based on the maker’s specifications and published information — every point is checked against a named source.
Stores we link to in US. We show a price only when it is live.
Amazon
Amazon shows the live price and stock
Live price on Amazon
Prices change often, so we send you to Amazon for the current one instead of showing an old price.
We may earn a commission when you buy through our links. It never changes how we rank products. How we make money
More stores and live prices are added automatically as we connect store feeds.
Source: RightDeals research · verified 2026-10-14
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Only if your laptop’s USB-C port outputs video — USB-C with DisplayPort Alt Mode, Thunderbolt or USB4 (often marked with a DP or lightning-bolt icon). Then one cable carries picture and power. If not, connect with the included mini-HDMI-to-HDMI cable and power the monitor through its other USB-C port from a charger.
InnoView’s box list shows the monitor, case, a USB-C cable and a mini-HDMI-to-HDMI cable, without an adapter. InnoView pairs this model with an 18 W adapter, so use a USB-C wall charger or a power bank when the laptop or phone cannot power it.
InnoView lists the Switch, PS5/PS4 and Xbox. Consoles plug into the mini HDMI port with the included cable, and the monitor then takes power through USB-C. For an iPhone, InnoView says you need an extra adapter.
Researched from the maker’s specifications, the store listing and published information — not lab-tested. We never accept payment for a recommendation.
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