Speaker microphone for two way radio.
1.Water-resistant (IP 54)
2.The microphone may be secured to the users  lapel or shoulder
3.With a stainless clip on the back and 3.5 jack.
4.With volume button on the face,  it is easy for change RMS sound with the button.
5.Solid, strong, and durable cable with kalver.
6.Available for Icom, standard, Yaesu, Kenwood, Motorola, transceivers and others.

Speaker:
Speaker size: 45mm
Sound pressure level: 94dB ±3dB
Impedance: 8  Ω ± 15%
Audio output :2W.

Microphone:
Type: Electret microphone
Microphone size: 6.0*2.7mm
Frequency response: 20-16000 HZ
Sensitivity: -40dB± 2dB
Impedance: 2.2K  Ω