Logitech WL Mouse Mini M187 Black OBS, Advanced 2.4 GHz wireless connectivity, 1 AAA battery, operating distance: Approx 32.81 ft (10 m), Interface: USB receiver.
M190 Full-Size Mouse Mid-Grey, LAG-FREE WIRELESS CONNECTION, UNCOMPROMISED QUALITY, 18-MONTH BATTERY LIFE, BUILT TO LAST, Power-saving mode automatically kicks in when you’re not using the mouse to save power. AA Battery Included.
M191 Full-Size Mouse Mid-Grey, LAG-FREE WIRELESS CONNECTION, UNCOMPROMISED QUALITY, 18-MONTH BATTERY LIFE, BUILT TO LAST, Power-saving mode automatically kicks in when you’re not using the mouse to save power. AA Battery Included.