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BYINTEK LOVE U4 Projector

$136.35 ~~$272.71~~ at Aliexpress

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SUMMARY: The BYINTEK LOVE U4 is a compact projector designed for home entertainment, featuring Android OS, wireless connectivity, and a dustproof design. It offers a native 720p resolution with support for 4K input, suitable for streaming movies or connecting to smartphones. Its compact size and wireless capabilities enhance portability and ease of use. However, some specifications, such as brightness and contrast ratio, may be overstated in certain listings, so it's advisable to consult official specifications for accuracy.

Best Used For: home entertainment purposes in dark or low-light environments

Released: 2024

Brand: BYINTEK

Specification	Details
Brightness	300 ANSI Lumens
Resolution	Native 1280x720 (720p), supports up to 4K input (downscale)
Contrast Ratio	3000:1 (advertised)
Throw Ratio	1.3:1
Min/Max Throw Distance	0.8m to 5m
Lamp Life	50000 hours
Connectivity	HDMI, USB, 3.5mm audio out, WiFi, Bluetooth
Keystone Correction	Manual ±30° Vertical, ±15° Horizontal, Manual Corner keystone
Zoom Lens	digital zoom
Input Lag	not specified
Audio Output	Built-in 3W speaker
Aspect Ratio	16:9
Weight (kg)	1.324 kg
Lens Shift	not available
Controller Type	remote control
Noise Level (dB)	not specified
Size of Projection	30-200 inches

Highlights

Positioned as a budget-friendly mini home theater projector, the BYINTEK LOVE U4 blends a compact design with an Android 9.0 operating system and wireless connectivity. It is advertised to run on a quad-core MTK CA53 CPU and Mali G31MP2 GPU, providing a familiar Android interface with access to streaming apps, though actual performance may vary depending on application demands. The projector’s fabric-wrapped chassis not only offers a modern aesthetic but also helps to protect against scratches and debris, contributing to greater durability in everyday use.

The projector is advertised at 300 ANSI lumens of brightness, which has been confirmed by reviews and the official BYINTEK website. Some listings claim 400 ANSI lumens, but reality-check sources suggest that 300 ANSI is the more accurate figure for this model. At 300 ANSI lumens, the LOVE U4 performs best in dark or dimly lit environments; while movie content appears acceptably vibrant in such conditions, ambient light will significantly diminish image clarity. This clarification is important for consumers expecting high brightness in well-lit rooms.

With a native resolution of 1280×720 (720p), the projection hardware inherently outputs 720p image quality. It is further advertised to accept 4K input, but any 4K signal is downscaled to 720p at the display level. This point is emphasized to ensure accurate expectations: although some e-commerce listings may advertise “1080p” or “4K” as native capabilities, multiple reputable sources confirm that the actual native resolution remains 720p. Consequently, while 4K content can be played from compatible devices, it will not enhance the output beyond the 720p limit.

The contrast ratio is officially listed as 3000:1 by BYINTEK, but some third-party databases cite a lower figure of 1000:1. Given this discrepancy, it should be considered that actual contrast performance may fall somewhere between these figures. In realistic viewing conditions, blacks may not appear as deep or as dynamic as higher-end projectors with hard-faced contrast claims, but for casual movie watching in bedroom or small living room setups, the dynamic range is generally acceptable.

Equipped with manual keystone correction—offering ±30° vertical and ±15° horizontal adjustments, as well as four-point corner correction—the LOVE U4 accommodates off-axis placement and irregular projection angles. This feature allows users to achieve a reasonably rectangular image without extensive manual repositioning. Although no lens shift or optical zoom exists, the keystone tools provide sufficient flexibility for typical home setups.

For audio, the projector includes a 3W built-in speaker, which is suitable for small rooms or personal viewing experiences. While volume and clarity remain serviceable for casual content consumption, external sound systems will yield a notably better audio experience, especially for movies or gaming. A standard 3.5 mm audio output jack facilitates easy connection to larger speakers, and Bluetooth 5.0 support offers additional wireless pairing options.

Connectivity options feature a full complement of ports: HDMI for direct connection to streaming sticks, laptops, or gaming consoles; USB for media playback or firmware updates; and WiFi compatibility for AirPlay, Miracast, and DLNA streaming from smartphones or tablets. The projector’s integrated wireless capability allows direct access to online apps without requiring additional set-top devices, though performance depends on home network stability.

The projection throw ratio of approximately 1.3:1 supports screen sizes ranging from 30 to 200 inches. In practice, optimal image quality is achieved between 80 and 90 inches; larger screen sizes tend to exhibit reduced sharpness and brightness due to the 300 ANSI lumen limitation. A projection distance of 0.8 m yields a roughly 30-inch diagonal, while 5 m allows the full advertised 200-inch potential, albeit with dimmer output.

Lamp life is advertised at 50,000 hours, which aligns with standard LED technology for mini projectors. A few older listings reference 30,000 hours, possibly due to earlier prototypes or typographical errors. Given industry norms for LED illumination, 50,000 hours is a reasonable expectation, translating to years of casual, nightly use before any significant degradation in brightness becomes apparent.

Weighing just 1.324 kg and measuring roughly 130 x 165 x 182 mm, the LOVE U4 is highly portable and easily repositioned between rooms or taken on short trips. Despite its small form factor, the sealed optical engine design offers dust-resistant performance, prolonging internal component life—especially in environments prone to pet hair or dust accumulation. This design choice underscores BYINTEK’s emphasis on longevity and minimal maintenance.

In summary, the BYINTEK LOVE U4 stands out as an affordable entry into the mini projector category, offering a native 720p display with 4K input support, a robust Android 9.0 smart platform, and essential keystone and connectivity features. Prospective buyers should note that brightness is best suited for low-light settings and that native resolution limitations may affect fine detail. Nonetheless, the combination of 300 ANSI lumens, fiber-wrapped exterior, and wireless streaming capabilities provides a compelling value for those seeking a compact home cinema solution.

AliExpress Price History

Date	Price (USD)
2025-06-06	136.35
2025-07-19	136.35
2025-07-31	136.35

Since 2025-06-06

Auto Product Comparison

Product	BYINTEK LOVE U4 Projector	TOPTRO TR27 Projector	HAPPRUN F5 Projector	ELEPHAS BL128 Projector
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Badges	Best Deal			Best Deal
Price	$136.35 ~~$272.71~~ at Aliexpress	$69.99 at Amazon.com	$99.99 at Amazon.com	$41.98 ~~$109.99~~ at Amazon.com
Brand	BYINTEK	TOPTRO	Happrun	ELEPHAS
Check Details		Check Details	Check Details	Check Details
Brightness	300 ANSI Lumens	300 ANSI Lumens	~250–350 ANSI lumens	320 ANSI Lumens
Resolution	Native 1280x720 (720p), supports up to 4K input (downscale)	Native 1080P (1920x1080), supports 4K (outputs at 1080P)	Native 1080p (1920x1080)	Native 1920x1080
Contrast Ratio	3000:1 (advertised)	25000:1 (advertised)	10,000:1 (advertised)	6000:1 (advertised)
Throw Ratio	1.3:1	1.13:1	~1.4:1	1.2
Min/Max Throw Distance	0.8m to 5m	1.25m-7.5m (50''-300'')	1.01 m to 5.00 m	1.5m-4.9m
Lamp Life	50000 hours	30000 hours	Up to 100,000 hours (LED)	60000 hours
Connectivity	HDMI, USB, 3.5mm audio out, WiFi, Bluetooth	Wi-Fi 6, Bluetooth 5.2, HDMI x2, USB x2, AV, Audio	HDMI, USB, AV, 3.5mm Audio out, WiFi, Bluetooth	HDMI, USB, Audio Mini Jack, Airplay, Miracast
Keystone Correction	Manual ±30° Vertical, ±15° Horizontal, Manual Corner keystone	Auto vertical, manual 4P, ±50° adjustment	±15° manual vertical	Manual keystone adjustment
Zoom Lens	digital zoom	50% to 100% (digital)	75% – 100% digital zoom	Digital Zoom
Input Lag	not specified	Not specified	Not specified	Not specified
Audio Output	Built-in 3W speaker	Built-in speakers, 3.5mm audio out	Built-in speaker + 3.5mm headphone jack	Built-in 2x3W speakers, audio out
Aspect Ratio	16:9	16:9	4:3 and 16:9 supported	16:9
Weight (kg)	1.324 kg	1.73 kg	1.4 kg	1.04 kg
Lens Shift	not available	not available	Not available	Not available
Controller Type	remote control	Remote Control	Remote control	Remote Control
Noise Level (dB)	not specified	Not specified	Around 40–45 dB	Not specified
Size of Projection	30-200 inches	50-300 inches	40” – 200” (best clarity at ~100–120”)	up to 200 inches
Connectivity	HDMI, USB, 3.5mm audio out, WiFi, Bluetooth	Wi-Fi 6, Bluetooth 5.2, HDMI x2, USB x2, AV, Audio	HDMI, USB, AV, 3.5mm Audio out, WiFi, Bluetooth	HDMI, USB, Audio Mini Jack, Airplay, Miracast