2 x USB 3.0+2 x USB2.0+ HD-AUDIO Desktop PC Case Internal Front Panel Tag-For iPhone 2 stable connection

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2 x USB 3.0+2 x USB2.0+ HD-AUDIO Desktop PC Case Internal Front Panel Tag-For iPhone 2 stable connection1. Product use: Because there are more and more USB devices now, when the USB ports on the chassis are not enough, you can use this device to directly convert the USB 19pin interface, 9PIN and audio on the board into 2 USB3. 0 interfaces + 2 USB2 . 0 and headphone out and microphone jacks (or 4 USB 2. 0 ports and headphone out and microphone jacks), installed in the vacant optical drive position. In this way, the front USB interface and audio