Walmart offers the Logitech Cordless Desktop EX100 Keyboard and Mouse, model no. 920-000879, for $19. Shipping adds 97 cents, or choose free Site-to-Store. Even with shipping, that’s $5 under last week’s mention and the lowest total price we could find by $7. Sales tax is added where applicable. This set features keyboard audio and browser controls, a cordless optical mouse, and both USB and PS/2 connectivity.