Model Number: HX-M22-#3851 Key Specifications/Special Features: Noise canceling boom microphone is excellentWith coiled PU cable for retractable useDual speakers for increased sound and clarity, fit into the ear well for all headsetsPTT button (included) secures to handlebars and controls the two-way functions of radiosWorks for full face, open face and flip faceAvailable for Icom, standard, Yaesu, Kenwood and Motorola transceivers and other brandsSpeaker:

Speaker size: 36mm

Sound pressure level: 90dB±3dB

Impedance: 32 Ω±15%

Audio output: 200mW

Microphone:

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