3R solution wireless keyboard 5 button mouse set 2.4GHz ergonomic Japanese 108 keys 800/1200 / 1600dpi black

ship from Japan Radio frequency: 2.4GHz band Operating distance (approx.): 10m Key type: Membrane Key layout: Japanese 108 keys Key pitch: 19mm Keystroke: 2.8mm Mouse sensor method: Optical method Mouse resolution: 800/1200 (initial value) / 1600dpi Return to the initial value (1200dpi) by turning the switch OFF ON. Number of mouse buttons: 5 Batteries used: Keyboard: AAA batteries x 1 Mouse: AAA batteries x 2