: Built-in lithium-ion batteries (e.g., 2000mAh+) that can provide up to 50 hours of music or 8 hours of video playback.
If you are referencing space initiatives, "Luna" may relate to their partnership with Lockheed Martin to develop a next-generation lunar rover . While not a video format, any "mp4" associated with it would likely be mission-critical telemetry or autonomous navigation footage recorded during conceptual testing. GM Luna mp4
: This extension allows developers to play .mp4 files natively on Android devices in full high definition. : Built-in lithium-ion batteries (e