LED Indicator Lights: Changing color breath LED lights. Beautiful and lets you know when it’s ready to charge, charging, and when your device is fully charged.
Safety Charging Design for Sleeping: Suitable with most phone case, build-in over-charging, over-heating and short-circuit protection, provide a peace of mind whenever charging your devices.
https://www.youtube.com/watch?v=GJ4yT8acJmo