[[{"Ft":"Connectivity","Fn":"Ports","Fv":"USB-C"},{"Ft":"Connectivity","Fn":"Wireless Range","Fv":"10 m"},{"Ft":"Construction","Fn":"Battery | Capacity","Fv":"500 mAh"},{"Ft":"Construction","Fn":"Buttons","Fv":"7"},{"Ft":"Construction","Fn":"Sensor | Resolution","Fv":"200 to 4000 dpi"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"51 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"124.9 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"84.3 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"141 g"},{"Ft":"Function","Fn":"Sensor","Fv":"Darkfield High Precision"},{"Ft":"Performance","Fn":"Battery Life","Fv":"70 days (3 h for 1 min of charge)"},{"Ft":"Production","Fn":"Debut","Fv":"2019-09"}],[{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"Logitech Unifying Receiver + Bluetooth"},{"Ft":"Connectivity","Fn":"Wireless Range","Fv":"10 m"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"14.4 mm"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"143.9 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"21.3 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"6.1 mm"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"18.7 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"373.5 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"2 g"},{"Ft":"Dimensions","Fn":"Weight","Fv":"558 g"},{"Ft":"Performance","Fn":"Battery Life","Fv":"24 months"},{"Ft":"Production","Fn":"Battery","Fv":"2x AAA"},{"Ft":"Production","Fn":"Debut","Fv":"2019-10-15"}],[{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"Bluetooth 5.0 LE"},{"Ft":"Connectivity","Fn":"Wireless Range","Fv":"33 feet (10 meters) in open area; up to 17 feet (5 meters) in typical office environment"},{"Ft":"Construction","Fn":"Colors","Fv":"Matte Black, Glacier"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wireless, Tenkeyless"},{"Ft":"Construction","Fn":"Switch Type","Fv":"Scissor keyset"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"110.77 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"9.05 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"284.07 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"288 g"},{"Ft":"Function","Fn":"Compatibility","Fv":"Microsoft Windows 10 / 8.1 + Bluetooth 4.0 or higher"},{"Ft":"Performance","Fn":"Battery Life","Fv":"Up to 36 months"},{"Ft":"Performance","Fn":"Key Travel","Fv":"1.35 mm"},{"Ft":"Production","Fn":"Battery","Fv":"4 CR2032 Lithium coin batteries, included"},{"Ft":"Production","Fn":"Debut","Fv":"2020-10-01"}]]