Future :
- Unitary functions: can be used separately or together with PTT microphone
- With coiled PU cable for retractable use
- Communication privacy, avoids bothering anyone
- High-quality dynamic earphone gives handheld crystal clear audio
Speaker:
- Speaker diameter: 23mm
- Impedance: 32 Ohm
- Frenquency response: 20-20KHZ
- Sensitivity: 91 db
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