FM Radio and Sleep Timer: This clock radio supports auto or manual search of radio channels and can save searched stations automatically. The radio has a sleep timer function, which can be set to automatically turn off the radio (shutdown time is adjustable from 10 to 120 minutes). The rear headphone jack lets you plug in headphones and enjoy without disturbing others. 0-100 percent Dimmable and Multi-function display: High-definition LCD display, the clock brightness can be adjusted according to your preference (stepless dimming by roller), which is very suitable for people who are sensitive to light. Clock can display time (12 or 24H), temperature (F or C convertible), week. Very practical. Dual alarm and Snooze function: 2 alarms can be set separately for you and your partner. You can also schedule the alarm clock according to your needs, and you can set weekday mode and weekend mode. Large snooze button lets you sleep 9 minutes longer while avoiding excessive sleep. Dual USB Charging Ports and Backup Power: 2 USB charging ports can charge your two smart devices at the same time. You can also install 3xAAA batteries, it will also work normally (not charging smart devices), no need to reset the time when the power is cut off. 6 Groups of ringtones Adjustable alarm and volume: The alarm can choose the built-in 5 groups of natural polyphonic ringtones, or you can set your favorite FM radio station as a wake-up alarm. The alarm ringtone and radio volume can be adjusted according to your needs, which is very user-friendly.