Siig Wireless Extra-Duo Keyboard & Mouse Combo, Black (JK-WR0J12-S1) 104-key QWERTY keyboard layout with membrane key switches provide a smooth and tactile typing experience. Water resistant keypad protects against liquid spills to extend durability 8 hot-keys provide quick and easy access to internet, mail, and multimedia controls Gaming inspired design brings a fresh and unique presence to these everyday input devices 6-Button optical scrolling mouse with 3-level adjustable optical resolution (800/1200/1600 DPI) supports smooth precise movement and built-in USB wireless receiver storage compartment offers easy storage and portability Ultra-compact USB wireless receiver allows up to 33ft wireless range for both keyboard and mouse. Automatic power saving mode to prolong battery life of both keyboard and mouse