New Motorola 56517(HKLN4599) Earpiece for CLS, DTR, RDX, Spririt or XTN Two-Way Radios 

HKLN4599 Earpiece with Inline PTT Microphoneis compatible with the following Motorola Two Way Radios:

• Motorola CLS Series: CLS1110, CLS1410
  
• Motorola RDX Series: RDU2020, RDU2080D, RDU4100, RDU4160D, RDV2020, RDV2080D, RDV5100, RDM2020, RDM2080D, RDM2070D
• Motorola RM Series:  RMU2040, RMU2043, RMU2080, RMU2080D, RMV2080, RMM2050
• Motorola DTR Series: DTR410, DTR550, DTR650, DTR700
• Motorola DLR Series: DLR1020, DLR1060
• Motorola AX Series: AXU4100, AXV5100
• Motorola XTN Series: XU1100, XU2100, XU2600, XV1100, XV2100, XV2600
• Motorola M Series: MU22CV, MU22CVS, MV11C, MV24CVS, MV24CVST, VL50, CP110, SP10, SP21, CP125, SP50 

Convenient earpiece enables communication without removing the radio from its holster. Push-to-talk button activates microphone when you're ready to speak.