This Audio-Technica ATM510PK Vocal Pack is great for singers, podcasters, and voiceover artists. Each microphone weighs 258 g (9.1 oz) and is 170.0 mm (6.69') long with a 53.7 mm (2.11') diameter. It has a cardioid polar pattern, a frequency response of 90-16,000 Hz, and an open circuit sensitivity of -55 dB (1.7 mV) re 1V at 1 Pa. The pack includes three microphones, three pouches, and mic clamps. Use it on stage, in the studio, or for live recordings.