RETEVIS C9021A 2 Pin Portable PTT Speaker Microphone, HK008

1. Allows you to talk and listen without moving the radio. Simply clip the microphone to a convenient place, then use it to listen and transmit.
2. The 2.360 degree rotating lapel clip on the back of the microphone.
3. The shell is made of high-impact plastic, and the waterproof design is sturdy and durable.
4. A standard 3.5mm mono headphone jack is included on the bottom of the microphone, and the jack is covered by a waterproof flip cover.
5. Standard two-pin diameter: 3.5mm ear stereo (thimble), 2.5mm microphone stereo (bottom pin).
6. The distance between two needles: 11mm
7. Suitable for Retevis H-777, R888S Plus, RT-5R, RT-B6, RT-5RV, RT1, RT2, RT5; Suitable for BAOFENG UV8, UV8D, UVB5, UVB6, A52, UV5RA, UV5RC; Suitable for POFUNG UV-A52, UV-82, UV-8, UV-6, UV-5R, 888S, 5RA; Suitable for Kenwood KPG KPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, etc.

Speaker:
1. Size: 36mm
2. Sound pressure level: 94db + -3db
3. Impedance: 8 ohm +/- 15%
4. Audio: 1W

Microphone:
1. Type: Electret Microphone
2. Size: 9.7 x 6.7mm
3. Frequency: 20-16000Hz
4. Sensitivity: -38db +/-2DB
5. Impedance: 2.2K Ohm