RK X40E MagSafe Magnetic Rear Selfie Screen: 4-inch HD display
Meet the RK-X40E MagSafe Magnetic Rear Selfie Screen—your new best friend for nailing those perfect selfies without the awkward arm angles. This little powerhouse boasts a 4-inch HD display that’s so crisp, you’ll forget it’s not your main screen. And guess what? It’s got 2.4G/5G WiFi wireless screen projection (because cords are so last decade), letting you mirror your phone’s screen smoothly from up to 5-20m away. No more running back and forth to check your pose—just snap remotely with the built-in photo button. Plus, that strong magnet isn’t messing around; it sticks like glue, so your gadget stays put.
Worried about battery life? Don’t be. With an 1800mAh battery, you’re looking at 2-4 hours of uninterrupted selfie sessions. And when it’s time to recharge, the Type-C charging port has your back—no fumbling with cables in the dark. Oh, and did we mention it looks like a legit camera? Yeah, it’s not just functional; it’s a stylish accessory that’ll make your gadget collection the envy of your friends.
Features
- 2.4G/5G WiFi wireless screen projection
- Built-in photo button
- Built-in strong magnet
- 1800mAh battery
- Type-C charging port
- 4-inch HD display
General specs
- Brand: RK
- Model: X40E
- Seller: Sunsky
- ID: 3843731
- Material: PC+TPR
- Screen: 4-inch HD
- Input: 5V 1A
- Rated power: 1.85W
- Battery capacity: 1800mAh
- Use time: 2-4 hours
- Charging port: Type-C
- Wireless network: 2.4G/5GHz dual-band
- Bluetooth: 5.0
- Compatible system: iOS 9.0+, Android 2.0+
- Boot language: Chinese, English
- Size: 107x66x12.5mm
- Weight: 100g
- First listed by seller: 6/18/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Sunsky
| Date | Price |
|---|---|
| 8/2/25 | $18.73 |
| 6/18/25 | $18.70 |
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
RK X40E 4-inch HD display
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Selfie Ring LED lighting
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IIIF150 B2 Dual Display
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GXMO X1 5 inch display
|
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| Brand | RK | LOKMAT | IIIF150 | GXMO | ||
| Model | X40E | B2 | X1 | |||
| Color | ||||||
| Rating |
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| Price | $18.73 | $30.95 | $185.99 | $37.99 | $159.00 | $185.40 |
| Seller | Sunsky | Gshopper | Gshopper | Gshopper | Gshopper | Gshopper |
| Update | August 30, 2025 | July 25, 2024 | July 25, 2024 | July 25, 2024 | July 25, 2024 | July 25, 2024 |
