HyperX Cloud Alpha Mode D'emploi page 11

Usage (mobile device)
To use the headset with a mobile device (or other device) with a headset jack (4 pole CTIA),
connect the 3.5mm plug directly into the headset jack on your device.
Using with mobile device (phone, tablet or notebook)
Document No. 480HX-HSCA001.A01 HyperX Cloud Alpha Headset Page 10 of 10