{"product_id":"wireless-magnetic-selfie-screen-projector-hd-rear-camera","title":"Wireless Magnetic Selfie Screen Projector – HD Rear Camera","description":"\n\u003ch2\u003eTake Flawless Selfies with Your Rear Camera — No App Needed\u003c\/h2\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eRK-X40 Wireless Magnetic Selfie Screen Projector\u003c\/strong\u003e — 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.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Strong Magnetic Mount:\u003c\/strong\u003e 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.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo App Required:\u003c\/strong\u003e Simply connect and go. The device uses your phone's native screen mirroring function, so setup is instant with zero downloads needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Band WiFi (2.4G + 5G) with Near-Zero Lag:\u003c\/strong\u003e Wireless transmission delay is as low as 0.04 seconds — virtually real-time mirroring for smooth, uninterrupted previewing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHD Rear Camera Selfies \u0026amp; Live Streaming:\u003c\/strong\u003e 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.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIPS Full-Viewing-Angle Display:\u003c\/strong\u003e The 4.02\" IPS screen at 1136×640 resolution ensures vivid, accurate colors from any angle — even in bright outdoor conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In 1800mAh Battery:\u003c\/strong\u003e Rechargeable via USB Type-C, so you can take this tool anywhere without needing a power outlet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works seamlessly with iOS 9.0+, Android 2.0+, HarmonyOS 3.0+, and MagicOS 4.0+.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScreen Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.02 inches (90 × 51 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScreen Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1136 × 640 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScreen Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIPS Full Viewing Angle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Network\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiFi 2.4G \/ 5G Dual Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs low as 0.04s\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1800mAh Polymer Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V – 1A via USB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.85W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + Silicone + Magnet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e104.5 × 60 × 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGray \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eiOS 9.0+, Android 2.0+, HarmonyOS 3.0+, MagicOS 4.0+\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Wireless Selfie Screen Projector\u003c\/li\u003e\n  \u003cli\u003e1 × USB Type-C Charging Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eA Note on Measurements \u0026amp; Color\u003c\/h3\u003e\n\u003cp\u003eDue to manual measurements, please allow a tolerance of 1–3 cm. Screen colors may vary slightly depending on your display settings.\u003c\/p\u003e\n\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the wireless selfie screen projector require any app installation to work?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the magnetic mount work if I have a phone case on?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which smartphones are compatible with this wireless selfie display?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last on a single charge?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this product suitable for live streaming as well as selfies?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the wireless selfie screen projector require any app installation to work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Will the magnetic mount work if I have a phone case on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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