Personally I would go with the Logitech K400 if you want something more full sized. I have the Rii i8x and I like using it compared to the K400 because of the backlight, easy to use directional pad, scroll wheel, and how small it is.

https://www.amazon.com/Rii-Wireless-Keyboard-Rechargeable-Battery-Black/dp/B079L2C7J1/