Warranty: 1 Year Features: Good safety performance Non-slip roller Multimedia shortcut keys Colorful backlight Accurate positioning Durable buttons Ergonomic design Technical Specifications: Operating distance: 8–10 meters Keyboard size: 449.9 × 157.5 × 29.2 mm Mouse size: 109 × 66 × 30 mm Battery: 2× AAA (mouse), 1× AA (keyboard) Keyboard IC: Mosart1386B-3 Mouse IC: Mosart3812-3 + FTC3065 (Pixart) Wireless range: 7–8 ft