“WIRE: TPE round wire
WIRE LENGTH: 1.2 m
PLUG DIAMETER: 3.5 mm nickel plated metal plate
HORN DIAMETER: 10 MM
FREQUENCY: 20-20 Khz
Horn impedance: 32Ω± 15%
SENSITIVITY: 98 DB ± 3 DB
MICROPHONE: 42 DB ± 4 DB”