【Ultra-Slim Design】With a thickness of only 13mm, this charging dock combines charging and storage in one sleek unit, allowing for easy storage and portability. 【Quad Charging Capability】Features multiple charging ports to simultaneously charge up to 4 Joy-Con controllers (2 pairs) for Nintendo Switch 2. 【Over-voltage Protection】When the USB power supply encounters a dangerous surge voltage exceeding 6V, this product can quickly shut down the input and can withstand input voltages up to 30V without causing damage. 【Over-current Protection】When the charging current of the controller exceeds 380mA, this product automatically cuts off the charging power to the controller to protect the controller, and at the same time the 4 display lights flash to alarm. 【Smart Charging Indicators】Dual-color LED indicators (blue and green) clearly display the charging status of each controller. Specifications: Patent Number: 202530188148.1 Thickness: 13mm Charging Capacity: 4 Joy-Con controllers simultaneously