Model - A4 Tech KL-40, Series - Regular, Style & Size - Regular Slim, Type - Multimedia Keyboard, Interface - USB, Language (English) - Yes, Language - English, Lighting - No, Mechanical (Key) - No, Mouse, Touchpad - Keyboard only, Dimensions (WxHxD) - 433 x 172 x 22mm, Weight - 550gm, Cable Length - 1.5 Meter, OS Support - Windows 7, 8, 8.1, 10, Vista, XP, Color - Black, Specialty - Laser Inscribed Keys, One-touch Hotkeys, Ultra-slim Keyboard, Ultra Slim Keycap Structure provides comfortable typing, Fast access to the useful functions, Others - Keycaps: Slim, Hotkeys: 13, Character: Laser Engraving, Splash Proof: Yes, Adjustable Keyboard Legs: Yes, Rating: 5 V / 30 mA, Part No - KL-40, Warranty - 1 year, Country of Origin - Taiwan, Made in/ Assemble - China