Wireless Magnetic Selfie Screen Projector – HD Rear Camera
Wireless Magnetic Selfie Screen Projector – HD Rear Camera
Take Flawless Selfies with Your Rear Camera — No App Needed
Introducing the RK-X40 Wireless Magnetic Selfie Screen Projector — the ultimate accessory for content creators, selfie enthusiasts, and live streamers. This compact 4.02-inch IPS display magnetically attaches to the back of your phone and wirelessly mirrors your screen in real time, so you can use your phone's superior rear camera to capture stunning, high-definition selfies and live broadcasts while still seeing exactly what's on your screen.
Made in Mainland China.
Why You'll Love It
- Ultra-Strong Magnetic Mount: The powerful built-in magnet securely grips your phone — even through a phone case — so you never have to worry about it slipping during a shoot.
- No App Required: Simply connect and go. The device uses your phone's native screen mirroring function, so setup is instant with zero downloads needed.
- Dual-Band WiFi (2.4G + 5G) with Near-Zero Lag: Wireless transmission delay is as low as 0.04 seconds — virtually real-time mirroring for smooth, uninterrupted previewing.
- HD Rear Camera Selfies & Live Streaming: Your phone's rear camera delivers far superior image quality than the front-facing lens. With this projector attached, you can monitor your composition and framing easily while broadcasting or photographing.
- IPS Full-Viewing-Angle Display: The 4.02" IPS screen at 1136×640 resolution ensures vivid, accurate colors from any angle — even in bright outdoor conditions.
- Built-In 1800mAh Battery: Rechargeable via USB Type-C, so you can take this tool anywhere without needing a power outlet.
- Wide Compatibility: Works seamlessly with iOS 9.0+, Android 2.0+, HarmonyOS 3.0+, and MagicOS 4.0+.
Full Specifications
| Screen Size | 4.02 inches (90 × 51 mm) |
| Screen Resolution | 1136 × 640 pixels |
| Screen Type | IPS Full Viewing Angle |
| Wireless Network | WiFi 2.4G / 5G Dual Mode |
| Transmission Delay | As low as 0.04s |
| Battery Capacity | 1800mAh Polymer Battery |
| Power Input | 5V – 1A via USB Type-C |
| Rated Power | 1.85W |
| Material | ABS + Silicone + Magnet |
| Dimensions | 104.5 × 60 × 10 mm |
| Colors Available | Gray / White |
| Compatibility | iOS 9.0+, Android 2.0+, HarmonyOS 3.0+, MagicOS 4.0+ |
What's in the Box
- 1 × Wireless Selfie Screen Projector
- 1 × USB Type-C Charging Cable
A Note on Measurements & Color
Due to manual measurements, please allow a tolerance of 1–3 cm. Screen colors may vary slightly depending on your display settings.
For tips on getting the best results from your smartphone camera, visit the U.S. Consumer Product Safety Commission (CPSC) for general consumer electronics safety guidance.
Frequently Asked Questions
Q: Does the wireless selfie screen projector require any app installation to work?
A: No app download is required. The RK-X40 uses your smartphone's built-in native screen mirroring feature. Simply connect the device and your phone's screen will be mirrored instantly via WiFi.
Q: Will the magnetic mount work if I have a phone case on?
A: Yes! The RK-X40 features an extremely strong magnet designed to securely hold your phone even when a case is attached, so there's no need to remove your case during use.
Q: Which smartphones are compatible with this wireless selfie display?
A: The RK-X40 is broadly compatible with most modern smartphones running iOS 9.0 and above, Android 2.0 and above, HarmonyOS 3.0 and above, and MagicOS 4.0 and above.
Q: How long does the battery last on a single charge?
A: The device is equipped with a 1800mAh polymer battery. Battery life will vary depending on usage, screen brightness, and wireless transmission activity. It charges conveniently via the included USB Type-C cable.
Q: Is this product suitable for live streaming as well as selfies?
A: Absolutely. The RK-X40 is ideal for both rear-camera selfies and live broadcasting. It lets you monitor your screen in real time while your phone's high-quality rear camera captures the footage, making it a great tool for content creators and streamers.