Logitech Unifying Receiver for Mouse and Keyboard M505,m510,m525,m305,m310,m315,m325,m345,m705,m215,m185

note:Before buying, please pay attention to your mouse and keyboard have Unifying logo,if not have Unifying logo,then it doesn't work. Compatible with the following models: Anywhere Mouse MX (M905) Performance Mouse MX(M950) Wireless Mouse M505,M510,M525,M305,M310,M315,M325,M345,M705,M215,M185 Couch Mouse M515 Touch Mouse M600 Marathon Mouse M705 Logitech keyboard K230,K250,K270,K320,K340,K350 Logitech Wireless Solar Keyboard K750,K800 Logitech Wireless Desktop MK710,MK605 Logitech Wireless Wave Combo MK550 Wireless Combo MK520 Logitech Number Pad N305 Logitech Wireless Trackball M570 MK330,MK270 etc.