Specification:1. K head connector: headphone 3.5mm stereo (top pin). Microphone 2.5mm stereo (bottom pin), G-shaped earphones, and 360 rotatable earplugs comfortably fit your ears.2. The process is simple and convenient, and the powerful PTT button is easy to place for long-term use; Firm iron clip, you can clip it anywhere you want3. The advanced..