Features: Plugs and Play USB sound Adapter with 3.5mm interfaces, Not driver need for instants connectivity to laptops, PC, and mobile devices via USB port. with aluminum alloy housing, this external sound card delivers performances while minimizing electromagnetic interferences for stable sound transmission. for remote workers, podcasters, and travelers requiring sound conversion between USB devices and standard 3.5mm headphones/speakers. Optimize your mobile office setup or gaming station with this palm sized adapter that converts digital sound signals seamlessly during video calls, music streaming, or multimedia playback. The universals 3.5mm sound interfaces supports simultaneous microphone input and stereo output, making for gaming headsets, studio monitors, and conference systems. Specifications: Materials: Aluminum Alloy Size: 28x28mm Package Includes: 1PC USB To 3.5mm sound Converter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.