A Dell XPS 13 Laptop with a winter background around the device

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* Up to 16 hours of video playback. Testing conducted by Microsoft in August 2016 using preproduction Intel® Core™ i7, 1TB, 16 GB RAM device. Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network and Auto-Brightness disabled. Battery life varies significantly with settings, usage, and other factors.

1 Up to 9 hours of video playback. Testing conducted by Microsoft in September 2015 using preproduction Intel® Core™ i5, 256GB, 8 GB RAM device. Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network and Auto-Brightness disabled. Battery life varies significantly with settings, usage, and other factors.

2 If you switch out of S mode, you can't switch back into S mode.

4 Windows Hello requires specialized hardware, including fingerprint reader, illuminated IR sensor or other biometric sensors and capable devices.

5 Cortana available in select markets; experience may vary by region and device.

6 Touch capable tablet or PC required. Pen accessory may be sold separately.

8 Windows 10 in S mode works exclusively with apps from the Microsoft Store within Windows and accessories that are compatible with Windows 10 in S mode. A one-way switch out of S mode is available. Learn more at windows.com/SmodeFAQ.

9 Up to 14.5 hours of video playback. Testing conducted by Microsoft in April 2017 using Intel® Core™ i5, 256GB, 8 GB RAM devices. Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network. Battery life varies significantly with settings, usage and other factors.

10 Up to 13.5 hours of video playback. Testing conducted by Microsoft in April 2017 using preproduction Intel® Core™ i5, 256GB, 8 GB RAM device. Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network and Auto-Brightness disabled. Battery life varies significantly with settings, usage and other factors.

11 System software uses significant storage space. Available storage is subject to change based on system software updates and apps usage. 1 GB= 1 billion bytes. See Surface Storage for more details.

12 Sound, Cortana and voice dictation require compatible mic-enabled headphones with a 3.5mm jack (USB not supported), plugged into the audio jack on the HMD. You can find compatible headphones by looking for the Cortana badge or Circle icon on product packaging and websites.

13 The connection between the Windows Mixed Reality-ready PC and the immersive headset requires full-sized HDMI and USB 3.0 ports; separate adapters may be required.

14 Windows Mixed Reality requires a compatible Windows 10 PC and headset, plus the Windows 10 Fall Creators Update or later; PC requirements may vary for available apps and content.

15 Internet access required.

20 LTE connection requires wireless carrier plan, sold separately.

21 Qualcomm® Snapdragon™ is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.

23 Windows 10 Home in S mode works exclusively with apps from the Microsoft Store within Windows and accessories that are compatible with Windows 10 Home in S mode. A one-way switch out of S mode is available. Learn more at windows.com/SmodeFAQ.

28 Battery life varies with settings and usage.