Features:1Premium Material: U94 PTT part adopts high strength PTT, can continue to press 30,000 to 50,000 times. The wire adopts cold resistant PU tensile wire, with high flexibility and toughness. 2Superior Quality Sound and One Button Device: Speakers imported from Taiwan 3215% at 1KHZ, loud and thick. Button activates PTT device, which can be hung on clothing or belt. 3Suitable and Wide Application: The throat mic walkie talkie earpiece is apply to half helmet and full helmet. Applicable scenarios: jungle, field, outdoor cycling and so on. 4Adjustable Size: Stand throat vibration noise reduction headphones, the throat microphone earpiece is easy to shrink, adjustable coil size, the size can be adjusted to suit the neck. 5Noise Reduction: Throat vibration produces sound, which is highly soundproof even when used in very noisy and harsh environments. Ambient noise will not be heard.Package included:1 x&nbspU94 PTT&nbsp1 x Retractable Throat Vibrating Microphone&nbsp1 x Earplugs&nbsp1 x Microphone Cable&nbsp