Curly black cable. K1 Connector Earphone Diameter: 15mm Output level: 92dB; 0.05W; 0.01m (Artificial ear IEC-318) Input power: 0.1W Maximum input power: 0.2W Output impedance: 32Ω Microphone Element type: Non-directional electric condenser. Sensitivity: -58dBi Output impedance: 2KΩ

Flexible earpiece PY-29 (detachable) 2.5mm connection for earpiece. Robust lapel PTT (Push-to-Talk). Curly cable. Water-resistant (IP54) Rotating metal clip. K1 connector. Size: 35.3 x 26 x 26 mm. Element type: Non-directional electric condenser Sensitivity: -38dB Output impedance: 2KΩ

Curly black cable. K1 Connector Earphone Diameter: 15mm Output level: 92dB; 0.05W; 0.01m (Artificial ear IEC-318) Input power: 0.1W Maximum input power: 0.2W Output impedance: 32Ω Microphone Element type: Non-directional electric condenser. Sensitivity: -58dBi Output impedance: 2KΩ

Curly black cable. Earphone Diameter: 15mm Output level: 92dB; 0.05W; 0.01m (Artificial ear IEC-318) Input power: 0.1W Maximum input power: 0.2W Output impedance: 32Ω Microphone Element type: Non-directional electric condenser. Sensitivity: -58dBi Output impedance: 2KΩ

Curly black cable. M6 Connector Earphone Diameter: 15mm Output level: 92dB; 0.05W; 0.01m (Artificial ear IEC-318) Input power: 0.1W Maximum input power: 0.2W Output impedance: 32Ω Microphone Element type: Non-directional electric condenser. Sensitivity: -58dBi Output impedance: 2KΩ

Lapel PTT. Curly black cable. K3 Connector MICROPHONE Sensitivity: -62dB Type: Electric condenser Output impedance: 1kΩ EARPIECE Diameter: 15 mm. Output power: 72 dB Input power range: 0.1 W Maximum input power: 0.2 W Output impedance: 32 KΩ