Description: . Feature: Throat vibration conduction to avoid high-speed driving noise in the air. Using vocal cord vibration to transmit signals. Eliminate background noise effectively. Make the intercom call clearer. Ring PTT control for key. Retractable coil, convenient to use. Transparent vacuum catheter earplug, radiation and fatigue resistant. Applicable model: for Baofeng A58 UV9R UV-9RPLUS UV-XS UV-XR GT3WP walkie talkie and other waterproof machines. Specifications: Item Type: Mic Headset Material: ABS Size: 180cm/70.8in Color: Black Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x Mic Headset