The MT-9 Is a wireless bluetooth rugged speaker microphone designed for public safety use. The MT-9 allows you to have all the functionality of a traditional speaker mic without having cords get in the way of things.
 
Features:
Rugged IP64 rated design
PTT button
Volume controls
20 hour talk time, 500 hour standby (1,600 mAh lithium battery)
Earpiece port
Rotating Clip