Logitech H540 USB Computer Headset Wired Headphones with Noise Cancelling Mic, On-ear Volume Controls, Stereo Sound Sports & Outdoors The remote head is connected

The remote head is connected to the AD600B unit via a cord that plugs into the strobe flash socket which acts as an extension cord between the strobe and remote flash tube

and watertight

Name: USB 3

The unit itself utilizes 32-bit digital processing internally

Logitech H540 USB Computer Headset Wired Headphones with Noise Cancelling Mic, On-ear Volume Controls, Stereo Sound Sports & Outdoors The remote head is connectedOverview: The Logitech H540 USB Headset features a lightweight, flexible headband and mic, and USB plug and play connectivity. It's equipped with on ear volume and mute controls, a mute indicator light, and a built in EQ. For added convenience, the headset is compatible with both Windows and Mac OS. Plus, it works with common calling applications as well, which include Skype, Gmail Voice, and Video Chat. Achieve high quality audio by simply plugging