?Warranty Service?: If the product has any questions, please contact our customer service personnel in time, we will provide you with your question as soon as possible. ?Headset Extension Cable?: The main material is a high-purity conductor, which is well electrically conductive, ensuring stable propagation and efficiency at the time of conductive, effectively reduces transmission loss, maintains pure HIFI sound quality. Nylon woven through multiple bending tests, enough to withstand, soft and durable. ?Flexible and Durable?:24K gold-plated shell resists corrosion, the gold-plated plug significantly increases the durability of longer life, protects important plugs from scratch and dirt. The metal shell has strong wear resistance and is not easy to scratch. Oxygenless copper ensures a higher audio gearbox, no signal loss and noise to ensure high quality HIFI sound quality. ?Universal Compatibility?:Gold-plated 3.5 mm headset adapter, free oxygen copper provides maximum conductivity and durability, compact design provide maximum portability. Okcsc headset adapter for most TRRS headphones, such as smartphone headphones, compatible turtle beach XO1 / PX24 / Reco, Sennheiser HD 598 CS Wired Headset, Hyperx Cloud 2, Razer Kraken X Game Headset, Speaker, HP Probook 450 G1, etc. ?Headphone Separator?:OKCSC audio splitter can split 4.4mm 5 pole balance (male) ? 2.5mm 4 pole balance (female), 4.4mm 5 pole balance (male) ? 3.5mm 3 extreme stereo (female), 2.5mm 4 balance (male) ) ?4.4mm 5 pole balance (female), 2.5mm 4 extreme balance (male) ?3.5mm 3 extreme stereo (female), 3.5mm 3 extreme stereo (male) ? 2.5mm 4-rod balance (female). There is 5 types conversion cable, the total length: 15.5 cm, metal shell: 25 mm, line diameter: 4 mm.