Key Specifications/Special Features: Talk and listen without holding the radio With coiled PU cable for retractable use Earphone with patented earloop design, comfortable to wear Provides private communication High quality electric condenser microphone in a superior plastic housing Available for Icom, standard, Yaesu and Motorola transceivers and other brands Primary competitive advantages Packing Price Product features Prompt delivery Service Properties Speaker Sound pressure level: 92dB, +/-3dB Impedance: 150 ohms, +/-15% Audio output: 30mW