--WEIGHT: 90g
-MICROPHONE: Vibration-sensitive, impedance 3500/300 Ohm @ 1 khz
-SPEAKER IMPEDANCE: T-C/800 Ohm, T-M/35 Ohm
-SPEAKER / MIC CABLE: 2.5mm dia, 290mm/195mm (PVC/PUR)
-CABLE, COILED: Ø 4mm, 380mm (PUR)
-CONNECTOR: 4-pole quick-release connector
-OPERATING TEMPERATURE: -25 to +63°C (continuous)