Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: PJ.MIAOLAI Q1 PCM2704 HIFI Mini USB Portable Sound Card DACProduct Features: Sound card main chip using BB hifi fever level PCM2704 USB decoder chip and its performance is superior to the market the most commonly used low-end chips CM102S series and direct USB cable connected to the computer, the output directly connected headset or power amplifier and audio equipmentUSB DAC is best Choice for enthusiasts, it is cost-effective mini USB DAC ; reasonable arrayed wire shows the best function of PCM2704USB Interface: Compatible with USB 1.0, plug and play, adapted to the majority of the operating system, such as Windows2000, WIN7, WIN8, for MAC etc. for the operating system.USB powered: no power, direct USB cable to the computer to take power, easy to useProducts aluminum housing with matte process is made, feel good, win over poor Plastic shell and steel shell, the surface laser engraving font, never fadeThree colors housing options, according to your own style selector desktop audio system with matching colors. Remarks like the color or contact customer service, default random sentDistortion: THD + N: 0.006% (RL> 10 kohm)Distortion: THD + N: 0.025% (RL = 32 ohm)SNR: 99 dBDynamic range: 99 dBSampling rate: 16Bit 32k, 44.1k, 48k Package Included: 1 x PJ.MIAOLAI Q1 Sound Card Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.