Advanced 2.4 GHz powerful wireless connection with a range of up to 10-15m.Adjustable 4-level Power Saving, entering sleep mode after 0.2s of inactivity.Anti-slippery belt design for enhanced grip and ergonomic comfort.Adjustable resolution of 1000/1600/2000 DPI for precise tracking.Extreme quality construction offering over 5million clicks guaranteed.8 gestures for selectable hotkey commands.Switch button on the back for on-the-go convenience.Sleek Round Square keycaps enhance typing accuracy.One-touch access to 12 multimedia & internet functions with FN+ F1 to F12.Laser-inscribed keys ensure key identity remains intact.Drain holes prevent liquid spillage on the keyboard.High-elasticity silicon membrane provides a fresh and comfortable typing experience.Warranty: This combo series comes with a 1-year warranty service.