1.Compatible Information: Handheld speaker mic is replacement for PMMN4076 PMMN4076A PMMN4075 PMMN4075A PMMN4071 PMMN4071A PMMN4071AL.Compatible for XPR Series: XPR3000, XPR3300, XPR3500, XPR3000e, XPR3300e, XPR3500e,DEP Series: DEP550, DEP570, DEP550e, DEP570e,DP Series: DP2000, DP2400, DP2600, DP3441, DP2000e, DP2400e, DP2600e, DP3441e,XiR Series: XiR P6600, XiR P6600i, XiR P6608, XiR P6620, XiR P6628, XiR E8600, XiR 8608,TETRA Terminals: MTP3100, MTP3150, MTP3200, MTP3250, MTP3500, MTP3550 2.Premium Material: Remote Speaker Mic is made of high impact-resistant plastic housing that is resistant to damage from drops or impacts.TPU coiled cord bring super bending strength, abrasion resistance,scratch resistance and have long operating life 3.Clear Sound Transmission: Handheld speaker mic has superior quality voice transmission, even if the distance is far can still provide perfect communication effect allowing you to clearly receive information from partners improve team collaboration efficiency 4.Comfortable to Use: PMMN4075 speaker microphone has wide PTT Key-press area, convenient for operating. Styling is ergonomic and easy to hold.The mic clip conveniently clips to your lapel, shirt pocket,soft and skin-friendly material provides comfort for long-time wear