Logitech M275 wireless mouse 1) Specifications and Details Mouse L*W*H=105.4*67.9*38.4mm Battery Capacity 299mAh Mouse weight 80-99g Power supply dry battery 2) Packing List M275 wireless mouse *1, micro receiver *1, 1 AA battery (pre-installed) *1 3) Introduce Simultaneous connection of the number of devices: 1 Material: frosted material Color: gray mouse Size: Medium hand applicable type (10.5-11.5 cm) Mouse Type: Right-handed Connection: Wireless 2.4G Compatible System: MacOS, Windows 4) System Requirements For Windows 10 or later Windows 8, Windows RT, Windows 7, Mac OS X10.5 or later Chrome OS, Linux Kernel 2.6+.