Jamstvo : 24 mjeseci , Logitech MK295, Keyboard Mouse, Wireless, HR – WiFi range (in meters): 10 m Keyboard: Adjustable keyboard height Spill-resistant design 2.4GHz wireless (10 meters) Nano USB receiver On Off power switch 2x AAA batteries(Alkaline Battery) Mouse: SilentTouch Technology Contoured compact shape Smooth, responsive cursor control On off power button 1 AA batteries (Alkaline Battery)