Sinyiin Digital Tube Monochromatic Display Mechanical Keyset — Ergonomic Layout, Five-Layer Sound Dampening (approximately 30% Quieter), Built-in Audiovisual Handle, Full Code Change Technology

Hard-wearing, distinctive digital tube monochromatic screen provides durable, clear display performance. A five-layer sound dampening structure minimizes typing noise, cutting sound output by approximately 30%. The unit includes a built-in audiovisual handle for convenient control and feedback. Equipped with full code change technology, the keyset also features an ergonomic arrangement designed for comfortable, extended use.