Heavy Duty Over the Head Headset with Noise Canceling Boom Microphone.
The PMLN7464 headset is built for non-UL/intrinsically safe use. It is the replacement for discontinued PMLN5731.
Motorola often changes the product SKU name. This product may have also been known as PMLN7464a, PMLN7464b, PMLN7464c, PMLN7464d, PMLN7464e, PMLN5731f, PMLN7464ar.