Micro-vibration inner ear earphone for MOTOROLA & TEAM.
Characteristics
Suitable for particularly noisy environments.
M1 type plug
Micro phone
Sensitivity: 58dB � 3dB
Type: Microphone piezoelectric accelerometer
Operating Voltage: 2.5 - 10V DC
Impedance: 4.7 kΩ
Audio speaker
Diameter: 13 mm.
Power Range: Nominal 40mW, max. 80mW
Resistance: 32Ω ï¿½ 15%
SPL: 107.3 dB � 3dB