Key benefits - Expandable mount delivers adjustable viewing angles for back seat passengers, enhancing comfort during travel. - Devices can stay in their protective case while mounted, reducing the need to remove and reinsert the device. - Compatible with most vehicles that have standard two-bar headrests, the common headrest with two metal prongs that slide in and out of the seat. - Designed to support viewing in both horizontal and vertical orientations for flexible use. What makes it stand out - Convenience of leaving your device in its case while mounted, saving time and protecting the device from damage. - Simple, widely compatible headrest mounting system that fits a broad range of cars without special adapters. - Dual-orientation capability lets passengers switch between landscape and portrait modes to suit apps, videos, or games. Compatibility and setup - Applicable to all cars with standard two-bar headrests (the most common headrest with two metal prongs that slide in and out of the seat). - The mount is expandable to accommodate different device sizes and viewing preferences. - The description specifies that devices can remain cased while mounted, and that the device can be viewed both horizontally and vertically. Specifications and attributes - Function: Expandable mounting system for back seat viewing; supports portrait and landscape orientations; allows device to stay in its case during mounting. - Compatibility: Standard two-bar headrests found in most vehicles. - Size: Not specified. - Material: Not specified. - Performance: Stable mounting suitable for rear seat use; orientation flexibility for various viewing needs. Use scenarios - Family road trips: a tablet remains in its protective case while mounted, enabling back seat passengers to watch movies or play games without removing the case. - Carpool or rideshare: different riders can adjust the device orientation (portrait or landscape) to watch content or work on apps during a commute. - Everyday errands in a standard sedan or SUV: quick setup with the common headrest system provides back seat entertainment without removing cases or accessories. Notes - This description preserves the original product scope: expandable mount for back seat viewing, allow device in-case mounting, compatibility with standard two-bar headrests, and support for horizontal and vertical viewing.