Microsoft surfaces are lightweight and powerful, but lack of Type-C charging is really annoying, especially equipped with a so bulky power adapter. This adapter allows you directly connect a Surface Pro or Surface Laptop, Surface book to a USB-C PD wall charger or portable power bank for charging. Built-in intelligent chipset which can automatically recognize the connected devices needed power and adapt the voltage and current to best suit the end devices charging purpose. A great way to power up on the go. ideal for travel, home or office use. Specification Power: 12~15V- 3.25A~6.8A Material: TPE Package Include: 1 x Surface Connect to Type-C Female Adapter NOTICE: - Not all USB-C ports support USB-PD, check to ensure that the charger or portable battery pack itself is USB PD–compliant. - Do not try to use your phone / tablet charger, they could not provide enough power to juice up laptops. - DO NOT use a USB charger / power bank / computer's USB port and USB to USB Type-C adapter, they do NOT support PD. - Only be used for charging your Surface, the cable doesn't support data transfer or video output. - Using a charger with output power lower than Surface needed, it gets hotter which is very normal. Note: External display is not supported. Charging only. Service If you have any questions feel free to contact us.