Logitech MK470 SLIM COMBO Slim and compact quiet wireless keyboard and mouse kit. Simple, stylish and quiet, the MK470 SLIM COMBO is a slim and edgy design that is ideal for efficient work and fits elegantly into the office environment, saving desktop space. (1)Specifications Mouse Sensor technology: High-precision optical tracking Sensor Resolution: 1000 DPI Number of buttons: 3 Scroll Wheel: Yes - Mechanical Wheel Buttons: Center Button Unifying Mouse: No Unifying Uplink Receiver: No Battery life (mouse): 18 months 18 months Battery type (mouse): 1 AA battery Keyboard Battery Life (Keyboard) 36 months Battery type (keyboard): 2 AAA batteries Wireless Distance: 10 meters Wireless Technology: Logitech Micro Receiver (2) Compatibility Receiver Requirements: Available USB port Windows ® 7, 8, 10 or later Chrome Surface compatibility'