GeneralQuantity 1 setMaterial Aluminium alloySpecificationInterface 3.5mm , USB 2.0Output Interface 3.5mm AudioSample Rate N/ADigital Audio N/ASNR N/AChannels 7.1Supports System Win xp , Linux , Win 2000 , Win 2008 , Win vista , Win7 32 , Win7 64 , Win8 32 , Win8 64 , MAC OS XDimensions & WeightDimensions 2.01 in x 0.55 in x 0.28 in (5.1 cm x 1.4 cm x 0.7 cm)Weight 0.35 oz (10 g) Specifications- Computer Connector: USB 2.0 Male- Headset Connector: 3.5mm TRRS FemaleSystem requirements* Windows 10* Windows 8.1/8* Windows 7* Windows Vista* Windows XP* Mac OS 8.6 or aboveNote:1. This USB sound adapter is designed for your new headset with 3.5mm TRRS interface. It does not work with headset with separate headphone and microphone 3.5mm audio port.2. The USB interface on PS3 does not carry audio signal, so this usb audio adapter does not work with PS3. Configuration InstructionsWindows:* Right-click on the sound icon in the taskbar; * Select Playback or Recording devices;* Adjust the volume on the computer and in the application.for Mac:* Go to System Preferences > Sound > C-Media USB Headset > Output or Input > Volume