On PRODUCT page NAVIGATION > next or < previous buttons

Please IMPLEMENT BUTTONS for the navigation through the category page. Navigation to PREVIOUS page (product) or go to NEXT page (product).
It can be done like this:
< 12/35 >
Mening that i'm on page 12 from the entire collection of 35 pages. And i can tap on < for the left browsing, going to previous product or i can tap on > going to next product page.
For You it is ahure that it is SIMPLE.

Please do this option for US.

Thank's in advance :-)