Google is all set to unveil the Pixel 3a and 3a XL on May 7, and just a few days ahead of the launch, their specs and promo materials have leaked online along with pictures which show off these mid-rangers in White, Purple, and Black colors. We've already seen the White and Purple variants and know that they will come with an Orange and Yellow-colored power buttons, respectively. However, today's leak reveals that the Black model won't have a power key with any such special accent. Google Pixel 3a in White, Purple, and Black colors Talking about the promo materials, they...