Once you’re back home from your epic excursion, the Wi-Fi will let you edit and share your action in just minutes. Download ...

a 4K camera captures it all in the clearest view with great video quality. The best security cameras also have motion detection, remote access and two-way audio for communication when you're away.

That's what a smartphone is for, surely. Not quite, thinks Akaso, whose new Keychain camera is small, light, magnetic and captures video in 4K. It's for filming everything anywhere. That means ...