High-quality wireless keyboard with matching mouse: Whisper-quiet, reliable and perfectly synchronised. Wireless connection via 2.4 GHz RF with AES-128 encryption CHERRY SX scissor mechanism: Ensures a precise and optimum typing feel on flat keys, incredibly quiet keystrokes – productive working at home or the office Symmetrical 6-button mouse: Optical sensor, three-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 flat key stability and stop anything from slipping Integrated status LEDs for CAPS LOCK, NUM and SCROLL key: Flash when battery needs changing (battery life: keyboard up to 36 months, mouse up to 12 months)