LED Digital Bedroom Alarm Clock With USB Charging Port Clock Radio Temperature Electronic Platform Clock, Specification: US Plug 1. Material: plastic case, coated glass mirror, plastic dial 2. Applicable places: living room, bedroom, study room, office, etc. 3. Display type: LCD 4. Function: temperature display, night light, radio, alarm, calendar, week display 5. FM radio frequency: 87.5-108MHz 6. Output power: 2W 7. Frequency response: 90-20KHz12 8. Speaker: 4 ohms, 3 watts 9. Power input: AC input 100-240V 50-60Hz, DC output 5V2A transformer 10. Clock backup power supply: 3 AAA batteries (not included) 11. Size: about 10.6x8x6.4 cm Features: 1. LCD clock display function, highlight white backlight (1224 hours switchable) 2. Alarm clock function, dual alarm clock settings, the screen can display the set alarm time, you can set the weekday alarm clock, the alarm can choose 6 built-in and dazzling ringtones and FM, and the ringtone size can be adjusted 3. The backlight brightness can be adjusted, the backlight brightness can be adjusted (roller stepless dimming), and the backlight can also be turned off 4. SNOOZE snooze function 5. Temperature display function, built-in temperature sensor module, can display the external environment temperature in real time (CelsiusFahrenheit can be switched) 6. Dual USB output function, the output is 1.1A 2.1A respectively 7. PLL electronic adjustment FM radio function 8. Audio output function, can be connected to audio output, when playing FM, you can listen to FM content with an external earphone 9. Full button operation, no compound button, simple and clear operation 10. External FM antenna 11. Two power supply methods, either in-line or battery-powered (the functions are the same)