The H-155 is a lightweight yet heavy-duty, compact speaker microphone designed for superior sound performance and usability. Its high volume and fidelity ensure clear communication in noisy environments, making it ideal for rescue operations, medical staff, commercial use, and various other applications.
Features include an easily accessible PTT button with an indicator light, a 3.5mm headset jack, and durable materials with IP68 dustproof and waterproof ratings. 
Suitable for extreme conditions, it excels in diverse fields such as outdoor activities, warehouses, schools, and shopping centers, providing reliable and efficient communication.