Features: Suitable for secure and stable transmission of Sound signals through a 3.5mm TRS male/female to female connection. This adapter allows easy access and extension of your 3.5mm Sound port, ideal for tight space and convenient wiring. Perfect for enthusiasts and audiophiles, this adapter is suitable for smartphones, laptops, tablets, PC, MP3s, MP4s, headphones, and stereo systems. Suitable for use in car, home theaters, music studios, or any requiring extended reach to 3.5mm Sound port, ensuring connection across devices. Define configuration of the 3.5mm sound systems, to realize the safe and stable transmission of Sound signals. Specifications: Component:ABS Type:Male to Female/Female to Female Length:Approx.22cm/8.66inch Package Includes: 1Pc Expansion Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.