This is a d shape earpiece suitable for the PD405/415/505, TC600, TC610, TC620, TC700 and the POWER 446 walkie talkies. The unit comes with an in-line microphone and push-to-talk button which has a clip for easy attachment to clothing.
Dimension: Ø6mm x 5mm
Sensitivity: -40 ± 3 dB
Impedance: 32Ω ± 15%
Output Sound Pressure Level: 92 ± 3dB
Cable diameter: Ø2.0mm, Ø2.6mm
Material: Kevlar lined polyurethane