This model is the alarm clock radio with 2x USB charging ports. It comes in small and compact size, playing various types of music formats via AUX 3.5mm jack input or FM radio with 10x presets. It features multiple function including alarm and dimmer and is fitted with white LED display for easy operation. It also features a backup battery for undisrupted performance and an AC adaptor for power supply that come with the box. Specifications Alarm Clock Radio with USB charging ports Stylish Soft Touch Design PLL FM tuner Dual alarm with Snooze and Sleep function Small and compact size. Digital FM tuner with 10 station pre-sets Tuner range: FM 87.5-108 MHz Number of pre-set radio stations: 10 Amplifier rated output power: 1.5W (RMS) Dimmer Function Dual Alarm Snooze Function Sleep Function Buzzer or radio alarm Frontal dual USB to charge smartphones and portable MP3s White LED display 0.6 inches Digital volume control Power supply with AC adapter 100-240V 50/60Hz (included) Battery back-up CR2032x1 (included) Output: USB charging (DC 5V 2A)