RovyVon brought the GITD to the mini keychain flashlight field back in early 2018 - the 1st generation Aurora A5. And 4 years passed by and the A5 comes to the 4th generation - the USB-C and metal button generation.
The 4th generation A5 runs a 330mAh Lipo rechargeable battery via the USB-C port and it can fully charge the battery in 1 hour. And the Aurora A5 (G4) pocket clip integrates a magnet that makes the keychain light to be a hands-free work light, furthermore, the tail part was redesigned as well to be able to buckle up a magnetic tail base, to be more flexible in the workspace. Meanwhile, the 3rd generation has a lockout mode to prevent accidental activation.