This Microsoft 3050 keyboard and mouse desktop set features reliable wireless connectivity up to 30 feet. The keyboard features a soft touch palm rest and quiet keys for comfortable, productive use. The keyboard also features handy customisable shortcut keys and Advanced Encryption Standard (AES) technology, which encrypts your key strokes. The ambidextrous mouse is designed for comfortable use in either hand, with BlueTrack Technology, which combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. This set includes both a black keyboard and mouse.