Features: Baofeng Speaker Mic for Baofeng， Kenwood， Linton， Puxing， Wouxun Radio Offer excellent timbre for two-way radio user Belt clip design Easy to carry， convenient to use Specification: Speaker Size: 36mm Microphone Size: 9.7*6.7mm Sound Pressure Level: 94dB ¡À 3dB Frequency Response: 20-16000 Hz Impedance: 8 ¡À 15% Sensitivity: -38dB ¡À 2dB Audio Output: 1W Impedance: 2.2K Package Include: 1 x Speaker Mic for two-way radio