Low profile ultra-compact wireless mini-size keyboard and wireless optical mouse combo Mini-sized slim design keyboard with 88-key QWERTY keyboard layout frees up desktop space Keyboard lock feature easily enabled by simultaneous Fn + F11 key press Short stroke scissor key switch provides a quiet and comfortable typing experience that touch-typist prefer Optical scrolling mouse with 3-button and 2-level adjustable optical resolution (1000/1600 DPI) supports smooth and precise movements Ultra compact 2.4GHz USB wireless receiver allows up to 33ft wireless range (line-of-sight) for both keyboard and mouse USB wireless receiver storage compartment, built into the battery compartment of the wireless mouse, offers easy storage and mobility while on-the-go Tilt angle design provides a comfortable typing position