Light mode - 3 levels of brightness High, Medium, Low.

Charging: It takes about 90 minutes to fully charge *Important do not overcharge. Overcharging will reduce the battery's ability to store energy and harm the battery's performance and lifespan.

Charging port - standard USB 5 Volt charger, be careful not to insert upside down when charging The red indicator light is on when charging and the green indicator light is on when fully charged.

Note: the types of charging equipment that can be used are: mobile phone charger, power bank, USB interface on computer, car charger.....etc.