Manhattan USB-A Sound Adapter, USB-A to 3.5mm Mic-in and Audio-Out ports, 480 Mbps (USB 2.0), 7.1-Channel Virtual 3D Surround Sound, Internal Amplifier and Volume Controls, Equivalent to ICUSBAUDIO7, Hi-Speed USB, Three Year Warranty, Box. Audio output channels: 7.1 channels. Host interface: USB, Headphone connectivity: 3.5 mm. Audio decoders: 3D Sound, Product colour: Black, Certification: CE, FCC, RoHS, WEEE. Bundled software: 7.1 Audio Simulation. Weight: 8.5 g, Width: 14 mm, Depth: 26 mm