Specs
Type Back electret condenser
Polar pattern Cardioid
Diaphragm Ф 16 mm
Frequency range 40 Hz – 20 kHz |
Sensitivity 38±2 dBV/Pa
Maximum sound pressure level 134 dB SPL (THD ≤ 1%, 1 kHz)
EIN level <12 dB SPL (A-weighted)
S/N ratio 82 dB
Output impedance 200 Ω
Connector XLR-3
Power supply +48 V phantom, 3.5 mA
Dimensions Ф 20 mm × 127 mm
Weight 109 g × 2
I'd need to see more details than that, and some people have questioned the noise level measurement they give. As things stand I personally wouldn't take a chance on them with all the other options in that price range (both new and used) out there.