The Poly SHS 2807-02 H81N-CD with TA6MLX and Wiring Options is a high-quality mono wired earbud that provides exceptional sound clarity and comfort. Designed specifically for aviation applications, this in-ear earset features a boom microphone that ensures your voice is heard loud and clear. The earbud design eliminates the hassle of tangled wires, allowing for great freedom of movement. With its mono sound mode, it is perfect for listening to music or communicating effectively in busy environments. The in-ear form factor guarantees a comfortable fit, making it ideal for long hours of use without fatigue.