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The MK570 has the M705 Marathon mouse instead of the M510. The M705 Marathon mouse would be the upgrade, with a right hand sculpted curve and more. The M705 mouse is one of my absolute favorites.
Sorry, there was a problem. Please try again later.Keyboard is the same (Wireless K350), but MK550 has wireless mouse M510, while MK570 has wireless mouse M705. The mice are slightly different.
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