If you don't know what Black Friday is, some mark that day as the official start of the holiday shopping season. And while the date of Black Friday may change every year, it always falls on the Friday after Thanksgiving, which means this year, it's taking place on November 29.

While Black Friday isn’t officially here quite yet, the discounts most certainly are! Start saving now with some of these can't-miss sales on must-have electronics.

Under Armour sale: deals from $10 @ Amazon Under Armour's early Black Friday sales have already arrived! Whether you're looking to replace a pair of running shoes or you want to upgrade your sports bra, there are some huge savings on Under Armour gear for both men and women with deals starting at just $10.