Tested with Windows Version 1.1(20H1) and Edge version 85.0.564.51. The active use portion consists of (1) a web browsing test accessing 8 popular websites over multiple open tabs, (2) a productivity test utilizing Microsoft Word, PowerPoint, Excel and Outlook, and (3) a portion of time with the device in use with idle applications.

Testing consisted of full battery discharge with a mixture of active use and modern standby. Testing conducted by Microsoft in September 2020 (Surface Pro X with Microsoft SQ® 1 and Surface Pro X with Microsoft SQ® 2) using preproduction software and preproduction configurations of Surface Pro X. Surface Pro X: Up to 15 hours of battery life based on typical Surface device usage.

* Surface Pro X Signature Keyboard, Surface Slim Pen, Microsoft 365, and some software and accessories sold separately.Warranties, extended service plans, and Terms & Conditions for your device.Surface Slim Pen tilt functionality is available with Surface Pro 5th Gen, Surface Pro 6, Surface Pro 7, Surface Pro X, Surface Book 2 (15'), Surface Book 2 (13') (when using updated firmware), Surface Go, Surface Studio (when using updated firmware), and Surface Studio 2.See applicable Microsoft Terms of Sale for more information. Microsoft Store return policy applies to extended returns. Microsoft reserves the right to modify or discontinue offers at any time. Void where prohibited or restricted by law.

Extended return offer period limited to 5 device returns total per eligible customer. Not available for purchases by reseller customers. Return process must be started within 60 days after customer received the device. ** Extended return offer period available with Surface devices purchased from Microsoft Store in select markets.

Microsoft pro x pen