With Emerson's award-winning and Patented smartset technology, the flashing "12: 00" Display is a thing of the past. The ER100301 Digital tuning clock radio automatically sets itself on the first use to the correct year, Month, date, day, and time. The clock radio features Bluetooth V4.1 digital tuning FM radio. Includes a USB output for mobile charging (2.1a 5V) and a large and easy-to-read LED display. The alarm can be programmed to operate on weekdays only, weekends only, or all seven days of the week. Set the alarm to wake you to your favorite FM music or news station, buzzer alarm or programmable sleep-to music timer. The clock radio adjusts itself automatically for daylight savings time and leap year, as well as maintains the correct time when the power returns after power outages. Getting out of bed will no longer be a chore with the help of the ER100301 Bluetooth V4.1 USB output for mobile charging 2.1a 5V digital tuning FM radio, 20 station memories easy-to-read, 1.4 Cyan LED clock display, dimmer control easy to program patented smartset automatic time setting system automatically sets itself to the correct year, Month, date, day and time as soon as you plug it in and after every power interruption button Cell battery (included) maintains time & Alarm settings