Model No. SF-TH27-K1

1. Large waterproof PTT (IP54) owns good texture.
2. Flexible & fully adjustable band for comfortable wearing.
3. Durable and thick cable, designed for tough environment.
4. Transparent flexible acoustic sound tube will protect you from radiation.
5. Soft plastic earbud fits snugly to ear, which keeps your conversation private.
6. Clear sound expression speaker and sensitive vibration detecting microphone.
7. Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles.
8. Competible for different two way radios.

Speaker:
Speaker size:12mm
Sound pressure level:84dB±3dB
Impedance:20 Ω±15%

Microphone:
Type: Electret microphone
Microphone size: 9.7*5mm
Frequency response: 20-16000 HZ
Sensitivity: -40dB± 2dB
Impedance: 2.2K  Ω