CHERRY Stream 3.0 Keyboard Ultra Silent, Black - 104 keys Spill resistant not sensitive to fluids Plug &amp; Play for easy startup with no software installation Ultra-flat ergonomic top-design for fatigue-free work Ultra silent. Whisper keystroke for low-noise typing 6 HotKeys for comfortable volume control and the most important Mediaplayer functions Standard keyboard layout (including cursor and number pad) Durable abrasion-resistant laser inscribed keycaps Blue status LEDs GS approval Awarded the &#039;Blaue Engel&#039; environmental seal