A great Lavalier that also excels for miking acoustic guitars.
The Audio-Technica AT831B Lavalier Condenser Microphone clips on to provide crisp, full-sounding voice or instrument pickup. Mic operates on battery or phantom power. 6' cable to power module. The Audio-Technica AT831B has a cardioid pattern. 40Hz - 20kHz frequency response. On/off and roll-off switch.