What is DP Alt Mode? How do I know if my device supports it?

It is a technology that enables video output via USB-C. If your device's official specifications mention "USB-C supports video output," "supports external displays," or "supports DisplayPort over USB-C," then it is compatible with this product.

My device has a USB-C port, but there's no response when connected. Is the product faulty?

Please confirm whether your device's USB-C port supports DisplayPort Alt Mode (DP Alt Mode). Not all USB-C ports support video output. If unsure, please refer to our compatible devices list or contact CS for verification.

Why is there only video but no sound when I connect my phone?

For some Android phones, only the screen is transmitted by default. Check your phone’s settings for "Screen Casting" or "HDMI Audio Output" to enable audio. Older models or systems may not support USB-C audio output.

Why does the screen flicker or go black after connecting?

Possible causes 1. Long (≤4m) or low-quality HDMI cable causing signal instability. 2. Incompatible display refresh rate (set to 60Hz). 3. Loose USB-C connection. Fix: Use a shorter cable or re-plug. Contact support if issues persist.

Why does the chip area get warm? Is this normal?

This is normal. High-res video (e.g., 4K@60Hz) increases bandwidth load, causing slight chip heating (safe <60°C). If overheating or screen blackouts occur, try replacing the HDMI cable or contact CS

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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High Speed 18Gbps HDMI Extension Cable 1.5FT, Short High Speed HDMI Extender Cable Male to Female Adapter, Support 3D, 1080P, 2160P Compatible with PS 4/3, Roku/Fire TV Stick, Blu Ray Player

High Speed 18Gbps HDMI Extension Cable 1.5FT, Short High Speed HDMI Extender Cable Male to Female Adapter, Support 3D, 1080P, 2160P Compatible with PS 4/3, Roku/Fire TV Stick, Blu Ray Player

Product ID: 755147338

Details

Compatible Devices
Amplifier
Specific Uses For Product
Audio and
Connector Type
Auxiliary HDMI
Brand
Highwings
Finish Type
Copper

⚡18Gbps ultra-fast data transfer

📺Supports 4K UHD & 3D video

🔌Compact 1.5FT male-to-female extender

Description

🚀 Elevate your entertainment setup with lightning-fast HDMI extension!

ULTRA COMPACT DESIGN - Short 1.5FT length perfect for tight spaces and clutter-free setups.
DURABLE BUILD QUALITY - Premium materials ensure long-lasting performance and minimal interference.
PLUG PLAY SIMPLICITY - No drivers or software needed—just connect and enjoy instant high-speed extension.
UNIVERSAL COMPATIBILITY - Works flawlessly with PS4/3, Roku, Fire TV Stick, Blu-ray players, and more.
BLAZING FAST 18 GBPS SPEED - Experience seamless 4K UHD and 3D streaming without lag or signal loss.

This High Speed 18Gbps HDMI Extension Cable (1.5FT) delivers ultra-fast data transfer supporting 4K UHD, 3D, and 1080P resolutions. Its compact male-to-female design ensures easy connection and extension for devices like PS4/3, Roku, Fire TV Stick, and Blu-ray players, making it an essential accessory for professional-grade home entertainment and gaming setups.

Specifications

ASIN	B08GC1K9TF
Brand	Highwings
Brand Name	Highwings
Compatible Devices	Amplifier, Headphone, Laptop, Music Player, Smartphone, Speaker, Tablet
Connector Type	Auxiliary , HDMI
Customer Reviews	4.5 out of 5 stars 2,696 Reviews
Finish Type	Copper
Global Trade Identification Number	00738626545307
Item Package Quantity	1
Manufacturer	ManHaiHaoSuanLaFenDian
Manufacturer Part Number	Tjicui
Model Number	Tjicui
Number of Items	2
Number of Ports	1
Power Plug Type	No Plug
Product Finish Type	Copper
Specific Uses For Product	Audio Connection and Extension
UPC	738626545307
Unit Count	1.0 Count
Warranty Type	Limited

Reviews

R**M

Good quality

7.07.2026

A**R

Affordable and Quality is Great.

Worked exactly as advertised. My Samsung galaxy S8+ phone on the other hand didn't work, but that is only because the charging port to that phone needs to be replaced. Overall GREAT product. Quality of material is top notch.

29.06.2026

T**G

Great cable

Works great for connecting my handheld to my tv.

25.06.2026

H**M

Good

Good 👍

24.03.2026

A**Y

great product

works well and is small. easy to travel with. does the job. glad it is not black - it stands out among the other cords in my travel bag

20.05.2026

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