Meeting Mike, Camera Mike D26 Type: D26Capsule Type: CondenserFrequency Response: 60-15khzLength: Tube:42.8cm ± 0.2cmPolar Pattern: CardioidOutput Impedance: 2k OhmSensitivity: -40 ± 2dbReferencesound-receling Distance: 20-80cmPower Supply: Dc 3v D27 Type: D27Capsule Type: CondenserFrequency Response: 60-15khzLed Indicator: Red LightMusic Hold: with MusicLength: Tube:60cm ± 0.2cmPolar Pattern: CardioidOutput Impedance: 2k OhmSensitivity: -40 ± 2dbReferencesound-receling Distance: 20-80cmPower Supply: Dc 3v MX320 Type: MX320Length: Tube:27.5cm ± 0.2cmFrequency Response: 20-18000hzImpedance: 1000 OhmsSensitivity: -34 ± 3dbPower Supply: Dc 3v MX3200 MX3200 MX3200M - Mobile Type: MX3200 Length: Tube:36cm ± 0.2cm Frequency Response: 20-18000hz Impedance: 1000 Ohms Sensitivity: -34 ± 3db Power Supply: Dc 3v MX3200W - Wireless