The Microsoft PP4 00018 Wireless Comfort Desktop 5050 Keyboard and Mouse provide you with complete control of personal computing while giving you wireless freedom. The keyboard and mouse feature an elegant design with a mix of glossy and textured black surfaces. The keyboard provides greater comfort by featuring an ergonomically curved body, which encourages you to use a more natural posture that aligns with your arms. The devices offer a reliable wireless connection up to 30ft away. The keyboard encrypts your information and prevents it from getting leaked over the air with integrated Advanced Encryption Standard technology. So work freely and work efficiently with the Microsoft PP4 00018 Wireless Comfort Desktop 5050 Keyboard and Mouse.