The Sheepdog compact speaker microphone is a lightweight remote palm mic designed for use in light-duty applications. Features a high-quality electret condenser microphone element, which produces excellent transmited audio clarity. The Sheepdog Compact is meant to be worn on the user's lapel, vest, carrier, or shoulder epaulet. It secures to the uniform by way of a large metal-reinforced clip which rotates 360 degrees. Powerful built-in speaker that provides loud receive audio in all but the noisiest of environments. For additional privacy and security, the mic has a built-in 3.5mm listen-only earpiece port/jack. Flexible polyurethane jacketed microphone cable with ample strain relief. Compatible with Motorola XPR 3300, XPR 3300e, XPR 3500, XPR 3500e, DP2000, DP2400, DP2400e, DP2600, DP3441, DP3441e, MTP3150, XIR P6600, XIR P6620 two way radios.