Logitech Playstation 3 USB Keyboard Box Content - Logitech Wave Keyboard, USB extension cable, 4 AA alkaline batteries, Quick Start Guide Contoured, wave-shaped key design conforms naturally to your fingers A curved profile and uniform-size keys promote an ergonomically correct, more comfortable hand position The soft surface encourages a relaxed position for long typing sessions Use the three-way tilt legs to set the height to suit your personal style