- Hands-Free Communication: Activate the VOX function on both the walkie-talkies and earpiece for seamless, hands-free communication with your team. Stay connected without distractions. - Broad Compatibility: Features a standard upper pin of 3.5mm and a bottom pin of 2.5mm, ensuring compatibility with popular models like RT22, RT21, H-777, RT68, RT19, RT27, RT28, and more. Versatile connectivity for your communication needs. - Discreet Design: The secret air earpiece comes with a transparent tube that is difficult to detect, making it perfect for security personnel, bodyguards, and event staff at airports, clubs, concerts, and similar venues. Maintain a professional appearance while communicating. - Adjustable Length: The PTT (push-to-talk) cable can be extended from 40 cm to 90 cm, accommodating team members of various heights for optimal comfort and usability. Tailor your setup for maximum convenience. Use Scenarios: - Security Personnel: Ideal for security teams at large events or venues, allowing for discreet and effective communication without drawing attention. - Event Staff: Perfect for concert staff who need to stay in touch with each other while managing crowds, ensuring a smooth operation. - Bodyguards: A reliable tool for bodyguards needing to communicate quietly and efficiently in high-stakes environments without compromising their presence. This earpiece is designed to enhance your communication experience, combining functionality, comfort, and discretion in one reliable product.