Model Number: TE-614-I

Technical Specifications:

Speaker

Speaker size: 15mm
Sound pressure level: 103 dB ±3dB
Impedance: 32 Ω ± 15%
Audio output:100mW

Microphone:
Microphone size:9.7*6.7mm
Frequency response:20-16000Hz
Sensitivity:-36dB±2dB
Impedance:2.2K Ω