COMPACT ERGONOMIC KEYBOARD - Ergonomic keyboard in a compact TKL design without a number pad CURVED, SPLIT-KEY DESIGN - Ergonomic keyboard with curved keys and split-key sloped promotes natural arm and hand position while typing. Minimize the discomfort on your shoulders, wrists, and forearms after prolonged use. ADJUSTABLE TYPING ANGLE - Adjustable tilt angle on the bottom of the keyboard with many customized positions, and the user can select the best posture based on their personal preference. COMFORT AND CONVENIENCE IN ONE - High-quality key switches that promote responsiveness and resistance for a tactile and comfortable typing feeling; Long travel distance that gives a satisfying typing feeling and decreases mistyping. Built-in multimedia shortcuts for easy access to media controls, and more SYSTEM REQUIREMENTS - Windows 7, 8, 10, 11, and later versions; Inside the box: PERIBOARD-524 and manual