Specifications: Type of element: sound card. Material: PCB Color: Blackboard Sound chip: for CMI8738 Transfer type: PCI-E to 3.5mm x 5 Pink port: microphone input Orange port: line entry Green port: front exit Blue port: rear exit Black Port: Bass Applicable equipment: PC computers with PCI-Express slots supporting Windows 7/Vista/XP 32/64 bit and other systems Instructions for use: 1. Open the computer case and remove the back block 2. Insert the sound card into the corresponding PCI-Express slot 3. After installing the chassis, turn it on, read the drive disk, install the drive and use it Package list: 1 x sound card. 1 x Driver CD