1. Four small controllers of N-S（Joy-Con）L/R can be charged simultaneously;
2. The back of the product (left rear) is designed with a USB2.0 female port with USB2.0 data transmission function,this USB2.0 output port can be connected with N-S wired controller;
3. This product is designed with a USB 2.0 male input port, which can be plugged into the original base USB female port;
4. It uses intelligent MCU control circuit, and is equipped with self-recovery insurance for the input port, with over-current protection function,short-circuit protection function to effectively improve product safety performance;
5. This product has red and green charging indicators,the red indicator lights up during charging, and the green indicator lights up for full charge or no controller being charged, which is simple and intuitive;
6. There are 2 game slots on the right side of the product, which can store 2 N-S game cards for you to place two commonly used game cards at any time.