The Creative Sound Blaster X-Fi Surround 5.1 Pro USB Sound Card SB1095 is an external sound card designed for PC platforms. It features a Creative X-Fi Xtreme Fidelity signal processor and a 24-bit DAC data width, providing high-quality audio output. With 5.1 channels and a maximum of 6 speakers, this sound card delivers immersive surround sound for a great audio experience. It offers various connectivity options such as optical audio output, audio-line-out, audio-line-in, headphones output, and microphone input, making it versatile for different audio setups. The product includes a USB cable and an audio adapter, and is compatible with Windows operating systems.