**Product Specifications:**
Brand: LinkStone
Model: C321K
Compatibility: HDMI+VGA, suitable for smartphones, iPads, projectors, and TVs
Features: Supports high-definition HDMI+VGA output, dual-port simultaneous output, 1080P resolution, PD fast charging
Interface: HDMI and VGA dual interfaces for convenient use, supports simultaneous output
Resolution: Supports 1080P resolution, audio sync output
Connectivity: Supports connecting two large screens simultaneously, compatible with smartphones, iPhones, and iPads
Performance: Stable transmission, clear and detailed 1080P high-definition video signal transmission
Compatibility: Supports most smartphones and tablets on the market, including iPhone, iPad, Huawei, Vivo, Oppo, etc.
Design: Compact and portable, high-quality materials for stable data transmission
Cable Length: 15cm (total length 20cm)
Shell Material: Aluminum alloy
Warranty: 1 year
**FAQ:**
Q: Why does the screen go black or display dropouts during use?
A: The device requires a power supply of 5V1A. If issues occur, try using a different power source.
Q: Why is there no response when plugged in?
A: Continuous plugging and unplugging may cause wear on the phone's interface. Try testing with a different device.
Q: Why does the product feel warm during use?
A: The internal chip generates heat while processing data, but the shell quickly dissipates heat. It is safe to use without affecting the connected devices.