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Smart Projector 4K | SB-3L
Brilliant Full HD image: 300 ANSI lumens, 2000:1 contrast, 4K-ready
Portable: Can also be operated on the go with an external power bank
Android OS 9 & Screen Mirroring: Stream apps or mirror wirelessly from Android and iOS
Automatic image alignment: Auto-keystone and keystone correction
Flexible & well-connected: Image sizes from 1 to 4.5 m, plus HDMI, USB, 3.5 mm audio, WiFi 6, and Bluetooth 5.0
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Plug. Play. Display.
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Delivery within 2-3 business days
Free shipping from €100 ¹
14 days free returns²
2-year replacement warranty³
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Smart Projector 4K SB-3L
Experience big-screen cinema easily at home or on the go. The Smart Projector 4K SB-3L combines modern technology with simple operation. Whether for movies, series, gaming, or presentations – enjoy brilliant images and versatile usage options.
Bright & high-contrast image with 300 ANSI lumens and 2000:1 contrast
Look forward to bright images with vibrant colors and clear contrasts. 300 ANSI lumens ensure good image brightness. The 2000:1 contrast ratio displays content in rich detail, making watching movies, series, or presentations even more enjoyable.
Full HD quality & 4K-ready for sharp images and clear details
Experience content in sharp Full HD quality. The projector also supports the playback of 4K content. Images appear detailed and vivid, and even text and graphics remain clear and easy to read.
Suitable for mobile use with an external power bank
Use the projector flexibly in different locations. With a suitable USB-C PD power bank of at least 65 watts, operation without a wall outlet is also possible. This is ideal for the garden, camping, or your next movie night on the go.
Automatic image alignment with auto-keystone & auto-trapezoid correction
The projector aligns the image automatically. Distortions are corrected independently, giving you a clean image in no time. Manual adjustments are barely necessary.
Wireless streaming for Android and iOS devices
Stream content to the large projection surface without any cables. Simply connect a compatible Android or iOS device to mirror photos, videos, or presentations quickly and conveniently.
Install apps directly and stream your favorite content comfortably
Install your favorite apps directly on the projector with Android 9. No additional streaming devices are required for this. Start movies, series, or videos easily via the integrated operating system and enjoy your content on the big screen.
HDMI, USB, 3.5 mm audio, WiFi 6, and Bluetooth 5.0
Easily connect your desired devices. HDMI, USB, and the 3.5 mm audio port offer many possibilities. WiFi 6 ensures fast connections, and Bluetooth 5.0 connects the projector conveniently to compatible speakers or headphones.
Image size from 1 m to 4.5 m for every room setup
Adjust the image size exactly to your preferences. The projector creates images from 1 to 4.5 meters in size, making it suitable for both small rooms and large home theaters. You remain flexible at all times during setup.
Experience shows that this style is very well suited for online shops, as the sentences are easier to read and the benefits are grasped more quickly.
Technical Data
| Processor model | Quad-Core ARM Cortex-A53, CPU+ Mali-450 MP2 GPU |
| Operating system | Android OS 9 |
| Power | 45 W |
| Projection ratio | 16:9 / 4:3 |
| Throw ratio | 1.2 : 1 |
| Projection size | 1 m to 3.8 m |
| Light source | LED |
| Light source lifespan | > 30,000 hours |
| Matrix size | 1920 × 1080 (native Full HD) |
| Supported resolutions | 1080P / 4K* |
| Brightness | 300 ANSI |
| Contrast | 2,000:1 |
| Keystone correction | Automatic correction |
| Focus | Autofocus |
| Speaker | 1 × 10 W |
| Noise level | < 37 dB |
| Internal memory | 8 GB |
| Supported audio formats | MP3, m4a, aac |
| Supported document formats | TXT |
| Supported image formats | JPEG, BMP, PNG |
| Supported video formats | avi, mp4, mpg, mkv, mov, dat, vob, rm, rmvb |
| Bluetooth™ standard | 5.0 |
| Bluetooth™ range | 0–10 m |
| WiFi | Dual Band |
| Frequency range | WiFi 6: 2.4–2.4835 GHz | 22 dB; 5.15–5.85 GHz | 20 dB; Bluetooth: 5.0: 2.402–2.480 GHz | 4 dB |
| Power supply | Projector: USB-C input for AC adapter or power bank (requires USB-C PD power bank with at least 65 W); AC adapter: Input: 100–240 V / 50–60 Hz / 1.2 A, Output: 15 V DC / 3 A / 45 W; Remote control: 2× AAA batteries (1.5 V) |
| Connections | 1 × Type C input (power connection); 1 × HDMI (HDMI Type-A) / audio, video input for a TV stick / laptop / DVD / PS3 / Sony PS4; 1 × audio / Xbox / TV box; 1 × USB-A 2.0 video input/output (5 V), supports FAT16/FAT32/NTFS (max. 128 GB), hard drives max. 1 TB (requires external power supply) |
| Dimensions (L × W × H) | Weight | 11 × 11 × 25 cm | 1.125 kg |
| Note | *interpolated |
Compatibility
Scope of delivery
Downloads
All available downloads for this product can be found in our download center.
There you will find operating instructions (BDA), firmware updates, software, drivers and other product-related files.
👉 To the download center:
https://downloads.rollei.de
Please simply select your product there to access all current files.
Special Notes
GPSR, Regulation (EU) 2023/988)
Everything you need to know.
Answers at a glance.
Here you can find the most common questions about Smart Projector 4K | SB-3L. If anything remains unclear, our support team will be happy to help you.
Welche Bildqualität bietet der Projektor?
Muss ich das Bild selbst ausrichten?
Wie groß kann das projizierte Bild werden?
Kann ich Inhalte kabellos vom Smartphone übertragen?
Kann ich den Projektor auch ohne Steckdose nutzen?
Ist das Bild auch hell und kontrastreich?
Welche Anschlüsse stehen zur Verfügung?
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