[Reliable Warranty] - MillSO offers a 12-month unconditional Warranty for all our products to guard against any unpredictable quality troubles or compatibility issues. You can extend it to 18 months by contacting MillSO 24-hour warm customer support team. We are more than happy to solve any problem for you!. [Premium Materials] - This 3.5mm to USB adapter tightly combined 20 Strands Cores, enameled copper, soft, and durable PVC covers. Its high-density shielding protection ensures high stability sound transmission and a soft touch. Nickel-plated USB has good heat dissipation, ensures stable and speedy signal transferring, and offers a long lifetime. Robust Sapphire Blue Metal Housing ensures a wear-resistant, anti-corrosion, solid protection, and charming out looking. [Built-in smart Chipset] - Built-in smart DAC Chip for high-speed audio signal decoding and offers a full and delicate tone, highly restored quality sound, users can enjoy a quality speaker sound system in your headphones. Driver Free, simply Plug and Play. USB bus-powered, no external power required. [Wide Compatibility] - The USB port of this USB external sound card compatible with Windows 10/8.1/8/7/Vista/XP, Surface 3 pro, Linux, Raspberry Pi, IOS 8.6 or above, PS5, PS4, etc. The 3.5mm ports of this headphone jack adapter compatible with a dual-plug headset, TRS mic, or TRS speaker, TRS plug has 2 black rings. (NOTICE: For any compatibility issues, please contact our warm 24-hour customer support team.). [MillSO USB Headphone Audio Jack Adapter] - USB to dual TRS 3.5mm female ports, green for audio, pink for mic, allows a dual-plug headset to your PC USB interface, bypasses the computer 3.5mm audio jack, supports clearer and richer stereo sound. It's a perfect replacement to revive a broken computer's original sound card, to wake up a silent computer. (NOTICE: NOT compatible with TS, TRRS mic/headphone. NOT for TV, amplifier, CD player, PS3, xbox,car, or truck.).