Comfortable Mono Headset If you've ever wanted a good quality headset with microphone without paying an arm and a leg, this Cyber Acoustics AC-104 mono headset is a great option. Slick, comfortable, and awesome quality, the AC-104 analog mono headset is a great choice for anyone doing VoIP. The adjustable, over the head design fits comfortably on any head size, and the flexible, noise-cancelling boom mic's 180-degree rotation gets the job done, no matter your preference. The AC-104 utilizes a single 3.5mm plug, compatible with Androida, Applea, Chromebooka, tablets, and most desktop comput- ers. With the included Y-adapter the AC-104 is backwards compatible with all other hardware. A true universal solution.