Product 1: Hot keys function: volume, mute, play/pause, backward, forward
Product 1: The convenient multimedia keys let you easily access functions such as play, pause, rewind and fast-forward plus volume control
Product 1: With a compact design that still features a full-sized keyboard and number pad, the Dell wired keyboard is ideal for home and office environments
Product 1: Dell wired keyboard also has a palm rest that is available for separate purchase
Product 2: Movement Detection: Optical, Resolution : 1000dpi
Product 2: Cable Length : 1.8 meter, Interface Type : USB
