Two blue indicators; 1 for microphone and the other for 1 headphone.
Micorphone input supports 16bit/48KHz.
Headphone output supports up to 24bit/96KHz.
With function of disabling headphone Mic and volume control.
No driver required for Windows, Mac OS, Linux, Chrome OS, iOS, Android.
Compatible with Laptop, desktop, PS5, PS4, Nintendo switch, and smartphone.
Make sure your phone supports OTG if you want to use it on it.
Enjoy premium sound delivery.