Super Fast Charging No need to buy two types of adapters to charge your phones. The alarm clock features flexibility with both a USB Type-C and standard USB Type-A charge port. The USB Type-C port provides super fast charging and the USB-A port delivers 2 AMPs of fast charging power. Dual Alarm Settings The alarm clock also provides two separate alarm settings, giving you the option of waking up at two different times, For example – one for the week and one for the weekend. Convenient for family members with a different schedules. Optional Battery Backup This clock is electric operated; the battery backup does not power the clock. The battery backup is used for storing the time and alarm settings if the power is interrupted. During battery backup the clock’s display will not be lit. Once the power is restored the display will re-light.