General description LED Alarm Clock B features a sleek black design and offers multiple functions including an LED display, snooze option, dual USB output, power-off memory, automatic dimming, night light, and vibration reminder. This versatile clock is perfect for keeping you on schedule while also providing convenient charging options for your devices. Technical specifications Dimensions: 158 x 55 x 87 mm (clock), 80 x 80 x 28.8 mm (vibrator) Power supply mode: external 5V1A~5V2A DC power supply Battery: CR2016 button battery for memory function Compatibility and accessories Compatible with Android mobile phone charging and various USB power supply devices Package contents: 1 * Electronic clock, 1 * Vibrator, 1 * 1.5m USB cable, 1 * CR2016 button battery (insulation) Installation Regular shipments do not include adapters; only the 1.5m DC power supply line is provided Usage Brightness adjustment: automatic adjustment based on ambient light or manual setting to three levels (high,