[MillSO USB Sound Card Adapter] - USB to dual 3.5mm female ports, both are TRRS 3.5mm standard. Allows two sets of headphones or speakers to one computer USB port. Great for sharing music, movies with your family, or learn together with your friend, work together with your partner... It's a perfect replacement to bypasses the computer 3.5mm audio port, supports clearer and richer stereo sound. (NOTICE: NOT for TS, TRS mic. NOT for TV, amplifier, CD player, PS3, Xbox, car, or truck) | [Wide Compatibility] - The USB port of this USB audio adapter compatible with Windows 10/8.1/8/7/Vista/XP, Surface 3 pro, Linux, Raspberry Pi, IOS 8.6 or above, PS5, PS4, etc. Two 3.5mm ports of this headphone jack adapter compatible with two headsets, speakers, or microphones. When using the mic function, please make sure both two plugs connect to 3.5mm ports are TRRS. TRRS plug has 3 black rings. (NOTICE: For any compatibility issues, please contact our warm 24-hour customer support team.) | [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. | [Premium Materials] - Built-in smart Chipset for high-speed audio signal decoding and offer a full and delicate tone, highly restored quality sound. Robust Sapphire Blue Metal Housing ensures a wear-resistant, anti-corrosion, solid protection, and charming out looking. This aux to USB adapter tightly combined 20 Strands of three Cores, enameled copper, soft, and durable PVC covers. Its high-density shielding protection ensures high stability sound transmission and a soft touch. | [Reliable Warranty] - MillSO offers an unconditional Warranty for our USB External Stereo Sound Adapter to guard against any quality trouble. Just contact us for MillSO 24-hour warm customer support team. We will solve any problem for you!