Nintendo Switch Joy-Con (L)/(R) Neon Purple/Orange
"Take your gaming to a whole new level with this Joy-Con L/R in Neon Purple and Neon Orange from Nintendo Switch. Share it with your friends or attach it to the main console, each Joy-Con controller includes a gyro-sensor and accelerometer providing greater flexibility to jump, shoot, run and attack.
Yes, with this set as well as the set that came with your Switch you can play 4 players (except Minecraft)
It comes with both actually
Yes, you can hook them onto the Switch.
I believe you'd would need to go in person to buy it with a gift receipt
The switch itself will charge the joycons. If the switch is in the dock, it will only take a couple hours for them to charge. If you have multiple pairs then Nintendo makes a dock that holds two additional pairs. Or if you’re someone that likes to game for long hours then Nintendo make a joycon grip like the one that comes in the box when you buy the system but it actually is made to charge joycons and comes with a USB-C to charge it. Hope this was helpful. ( :