The 200 HD is the upper headset for the iMC Motorcom HS 200U. The upper headset’s flat panel speakers have metal casings and provide great range of sound for loud and clear audio. The 200 HD connects to the iMC Motorcom 200 CBL, a 3.5mm coiled cable that plugs directly into your music player (iPod, iPhone, MP3 players) and GPS system (Zumo 550). SPEAKERS ONLY: DOES NOT OFFER A MICROPHONE CONNECTOR