Specifically Designed - Compatible with Switch 2 Joy-Cons: Fully compatible with Nintendo Switch 2 Joy-Cons. Features four slots, each with an LED indicator. The guide design prevents incorrect insertion, allowing for safe attachment. Red indicates charging, and green indicates fully charged status at a glance. Magnetic Attraction Design - Easy and Reliable Docking: Built-in magnets accurately align and hold the Joy-Cons in place. Hot-swappable design reduces wear on the terminals. It can charge up to 4 controllers simultaneously, making it ideal for multiplayer gaming. Smart Protection - Built-in IC Chip for Safety: Equipped with a smart chip that protects against overcharging, overcurrent, overvoltage, and short circuits. It enables stable and efficient charging, fully charging a Joy-Con in approximately 2.5 hours.