High-quality wireless keyboard with matching mouse: A whisper-quiet, reliable and perfectly synchronised set. Wireless connection via 2.4 GHz RF with AES-128 encryption Type faster and get more done: CHERRY SX scissor technology ensures a precise pressure point and an optimal typing experience on flat keys. Perfect for frequent typists! Symmetrical 6-button mouse: Optical sensor, 3-stage switchable DPI (1000/1600/2400 dpi) and silent switches (particularly quiet click). Suitable for left and right-handers Non-slip and sturdy: A total of 8 non-slip feet and an integrated metal plate give the slim keyboard stability and prevent it from sliding around Integrated status LEDs for CAPS LOCK, NUM, and SCROLL keys: Flash when it's time to change the batteries (battery life: keyboard up to 36 months, mouse up to 12 months)