the t.bone MB 88U Dual, Dynamic vocal microphone, With XLR and USB connector, Polar pattern: Cardioid, Frequency range: 20 - 16,000 Hz, Sound pressure: 137 dB SPL max, Impedance: 600 Ohm, Dimensions: 182 x 51 mm, Weight 236 g, AD converter with 16 Bit/48 KHz, No USB driver is required, For PC and MAC, Incl. USB cable, Suitable microphone clamp: Article Nr. #105920# (not included)