Key Specifications/Special Features: With new logo printing With coiled PU cable for retractable use Fashionable PTT design with metal clip Compact size With sensitive microphone for discreet conversation Dynamic earphone and electric microphone gives a handheld crystal clear audio Plug can be changed upon customers' requests Competitive advantages: Experienced technical staff Price Product performance Service Guarantee Properties Microphone: Sensitivity: -36dB, +/-2dB Impedance: 2.2K ohms Speaker: Sound pressure level: 103dB, +/-3dB Impedance: 32 ohms, +/-15% Audio output: 30mW