Security Air Tube Headset Covert Earpiece Mic Talkie Radio 3.5mm Plug Earphone
Appearance Type: Earplug Type. 2 x Pair of Spare Earplug. Item Type: Air Tube Headphone. Feature: 1. Using air tube technology to ensure crystal clear sound transmission, built‑in hands‑free microphone, with on/off‑play/stop switch.