Descriptions:Product Type: DockMaterial: ABSColor: BlackCompatibility: for Nintendo Switch OLED Type c connector: used to connect to the host.Switch button: Used to switch between the TV screen and the handheld screen.USB 2.0 and USB 3.0: Used to connect USB devices, such as Switch wired handles, Switch handle converters.HDMI-compatible port (TV mode): used to connect the base and the TV, and transmit the video and audio signals of the base to the TV.Type c port: used to supply power to the base.LED Indicator: Used to indicate that when the handheld video is successfully transferred to the TV, the indicator light on the base will show blue.Features:1.The second Generation Cooling pad for Nintend Switch with PCB Board(Function as the original),Small size and easy to carry,Also with charging function.2.With vents Hole, air inlets, with power indicator,With 2 USB 2.0 Port.1 USB 3.0 Port,to ensure fast and stable data transmission speed,1x HDMI-compatible Port, 1x  Type c Port.3.With an upgrade button to make sure it will use if the console updated in the future.4.USB port has over-current protection, and has large output aluminum electrolytic capacitor. Even if the external device consumes a large,amount of power, it can ensure the stability of the power supply5.Added the switching function,Even if you connect the power supply,enter the TV mode,you could also control the screen with the switch.Also could used as a Play stand.Package included:1* DockNote:1.Please allow slight size deviations due to manual measurement,measuring methods and tools.2.The picture may not reflect the actual color of the item because of different photographing light and display monitor.Thanks for your understanding.