661-5688 Magic mouse MB829LL/A for Mid 2011 MC813LL MC814LL 2.7 3.1 3.4 NB-4666W
This is the Wireless Magic Mouse.
Apple part number: 661-5688
Mid 2011 MC813LL MC814LL 2.7 3.1 3.4
661-5688 Magic mouse MB829LL/A for Mid 2011 MC813LL MC814LL 2.7 3.1 3.4