Brand: Logitech. Connection: PS2, USB. Detachable Palm Rest: Yes. Features of Product: One-touch access controls and programmable F-keys give you fast, easy access to music, video, e-mail and application switching (with the included software). Intelligent power management with automatic sleep mode, on/off switch and a battery status indicator allows you to go for months without changing batteries a€“ up to 15 for the keyboard and up to 8 for the mouse. A 1200 dpi optical mouse makes tracking smoother and more responsive than standard optical mice. Easy-to-setup wireless technology provides a fast, reliable connection right out of the box a€“ just plug the wireless receiver into a USB port on any desktop PC or notebook to get started. Work in comfort with low-profile, whisper-quiet keys that feel great and barely make a sound. Keyboard Batteries Supplied: No. Keyboard Battery Requirement: 2xAA. Mouse Battery Requirement: 2xAA. Mouse Programmable Buttons: No. Mouse Retractable Cable: No. Mouse Type: Optical. Multimedia Hotkeys: Yes. No of Mouse Buttons: 2. Product Depth: 6.2 cm. Product Height: 19 cm. Product Weight: 1.225. Product Weight Units: kg. Product Width: 46 cm. Scroll Wheel: No. Slim Design: Yes. Wireless Keyboard: Yes- 2.4GHz. Wireless Mouse: Yes- 2.4GHz.