Each Nintendo Switch console comes with a Joy-Con grip, an HDMI cable, a Nintendo Switch AC adapter, a Nintendo Switch dock, Joy-Con (L) and Joy-Con (R), and two Joy-Con strap accessories. The Joy-Con can be used separately for two-player action, inserted into the Joy-Con grip like a traditional controller, held in each hand for left and right controls, or attached to either side of the Nintendo Switch!
Promising review: "I don't want to beat a dead horse, but the Nintendo Switch is a must-have game system. If you want to travel with high-quality portable games, this is for you. If you want to 'break the ice' with your social gathering friends, turn on the Switch and put on Just Dance 2018, and everyone will start dancing. And if you want the best game of 2017, Zelda: Breath of the Wild, you could only play it on this system and also the Wii U (R.I.P.)." —Mr. Phiny
Get it from Amazon for $299.