The portable projector market has been heating up lately, but Anker’s Nebula brand continues to stand out with its innovative approach to on-the-go entertainment. The Nebula Capsule 3 represents the third iteration of their popular soda can-sized projector, packing some impressive upgrades into a familiar form factor.
Design Evolution
The Capsule 3 maintains the iconic cylindrical design that made its predecessors so distinctive, but with some thoughtful refinements. At just 4.7 inches tall and 2.7 inches in diameter, it’s genuinely pocketable – though you’ll want a sturdy pocket given its 2.2-pound weight. The matte finish and minimalist controls give it a premium feel that belies its relatively affordable price point.
The most noticeable physical improvement is the focus wheel, which has been re-engineered for more precise adjustments. Previous models suffered from somewhat finicky focusing, but the Capsule 3’s redesigned mechanism makes getting that sharp image much easier, even for those with less steady hands.
Visual Performance
Where the Capsule 3 really shines is in its projection capabilities. The native resolution has been bumped up to 1080p (1920×1080), a significant upgrade from the 720p of its predecessor. While it can still upscale 4K content, the native 1080p projection delivers noticeably sharper text and more detailed images.
The brightness has been increased to 200 ANSI lumens, which might not sound impressive on paper, but in practice, it makes a real difference in dim to moderately lit rooms. The LED light source promises up to 30,000 hours of viewing time, meaning you won’t be replacing bulbs anytime soon.
Color accuracy has been improved with better color calibration out of the box. The Capsule 3 now covers 90% of the DCI-P3 color gamut, resulting in more vibrant and accurate hues – particularly noticeable in skin tones and nature scenes.
Audio Improvements
The Capsule 3 features a redesigned 360-degree speaker system that delivers surprisingly robust sound for its size. The 5W speaker produces clear dialogue and decent bass response, though like all compact projectors, it benefits from being placed near a wall for acoustic reflection.
What’s particularly impressive is the minimal audio delay when using Bluetooth connectivity. Previous models suffered from noticeable lag, but the Capsule 3’s improved Bluetooth 5.2 implementation makes it viable for gaming and video content without that frustrating audio-video mismatch.
Smart Features
The Android TV 11 interface remains the backbone of the Capsule 3’s smart capabilities, with access to all major streaming apps. The remote has been redesigned with a more intuitive layout and backlighting for those dark movie nights.
One welcome addition is the built-in Chromecast functionality, making it easier than ever to stream content from your phone without fumbling with mirroring settings. The device also supports screen mirroring from both iOS and Android devices, though the wireless connection remains more stable with Android devices.
Battery Life
The Capsule 3 features a 52Wh battery that Anker claims will deliver about 2.5 hours of video playback. In real-world testing, you’re looking at closer to 2 hours with Wi-Fi and Bluetooth enabled, which is enough for most feature films but might require a power bank for longer viewing sessions.
The Verdict
The Nebula Capsule 3 isn’t trying to compete with full-sized home theater projectors, and that’s exactly its strength. For what it is – a truly portable, self-contained entertainment system – it delivers an impressive experience that’s perfect for impromptu movie nights, business presentations, or even backyard viewing sessions.
The combination of improved resolution, better color accuracy, and enhanced audio makes this a worthy upgrade over its predecessors. While the battery life remains a limitation for marathon sessions, the overall package offers excellent value for those who prioritize portability without completely sacrificing quality.
For anyone looking to transform any wall into a viewing surface without the hassle of traditional projectors, the Capsule 3 continues to be one of the most compelling options in the portable projector space.

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