Allows you charge your Surface devices via 45W 15V3A USB-C Power Delivery () wall charger or power bank, you only need to bring a USBC charger to charge many devices including for Surface . It is very lightweight and portable. It can also be used as a spare charger. Requirement: This cable requires an USB-C charger or charging bank support 45W 15V3A output. Female USBC charging cable also need the USBC cable can carry 3A current. Doublecheck your USBC charger to it lists "15V/3A" in the specifications. Some chargers didn't support the cable. It's recommended use the cable with 3-Port USBC charger, avoid incompatibility problems. Please find the link in the page details. Extreme Durability:Durable Nylon Braided cable protects wire cores to . Aluminum adopted at both end,maked the cable sturdy and durable. Charging only: It should be this product can only be used for charging surface devices, data and cannot be transmitted. Each unit is inspected and tested prior to shipment. Compatibility: pro7/6/5/4/3, Surface Laptop1/2/3, Sruface Book1, Surface Go1/2. Colour: black Material: braided cable Size: about 0.2m Package Contents: 1 * USB-C to usb adapter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.