Glovion Digital Melody Alarm Clock with Dual Hub USB Charger&3.2 "Inch Dimmable LCD Display -Black Easy Operation: Rotating button to set up time 3.2-inch Dimmer brightness adjustable Big font LCD display in 12-hour or 24-hour mode easy to see , 4 brightness levels easily adjusted by tapping the Top big button. Dual USB ports for charging any 5V devices in smart and safe way (output: 5V 2.5A) Soft Music Melody Alarm Ring with adjustable volume of Alarm Up/Down ,just clap to control alarm on/off. Snooze Thermometer , switchable between in Celsius or in Fahrenheit. A best Bedside Clock.