Flysocks Digital Alarm Clock, [upgrade] Bedside Non Ticking Black Clocks USB LED

Power Saving Mode: This Digital Alarm Clock will automatically switch to power saving mode when powered by 3 AAA batteries (not included). It won't disturb your sleep since the clock doesn't illuminate at night unless you wake it up (Any sound over 60dB nearby). USB Power Supply: Only when the clock is connected to a power source with the USB cable (included) or a DC adapter (not included) will current local time be displayed without interruption. You can plug into the mains to keep the screen on. Simple Design with Large Display: This Digital Alarm Clock features a 6.7-inch large LED display and supports 12/24-hour time displays, making it easier to read. The Ultra-thin body is ideal for a bedside table or office desk. It is a good option that reminds you to take a break from screens. Adjustable Brightness: Do you feel the LED of the clock too bright at night? Adjust the brightness to a low level with "UP" button, long-press the “LIGHT” button to turn off the LED, or unplug the power cable to switch to the power saving mode. Alarm and Snooze: Long press "ALARM" to set alarm time and snooze time. Use "UP" and "DOWN" to adjust the hour and minute. Snooze time is from 1 min to 60 min each time and three times in total. The Snooze function can be customized for personal preference.