Item Type: Alarm Clock Radio Material: ABS LED Screen Size (white light): Length: Approx. 80mm/3.1in Width: Approx. 26mm/1.0in Bluetooth Solutions: For Jelly Bluetooth Version 5.0 U-Disk File Format MP3 FM Frequency Range: 87.5-108MHz Preferred Channel Storage: 5 2 Sets of Alarm Clock Automatic Sleep Time: 15 to 90 minutes Screen Brightness Adjustment Level: 3 Levels 2 inch 3W Full Range Speaker Bass Diaphragm Built-in Battery Capacity: 1500 mAh (included) Power Input DC 5V 1A Power Consumption: 2W 1、SLEEP Button: Sleep button, you can set the automatic shutdown time, one-button sleep, ultra-low power consumption, long standby time. 2、SNOOZE Button: LED large screen display clock (white), display brightness 3 levels adjustable. Snooze button, you can set the snooze time. 3、EASY OPERATION: 5 preferred channel storage buttons, one button to set the preferred channel you always listen to. Easy operation. 4、MEMORY FUNCTION AND SUPERIOR SOUND QUALITY: Clock power off memory, playback power off memory. With trolley antenna, good FM reception. 2 inch full range speaker + bass diaphragm, clear sound. 5、MULTI-FUNCTION: Support mobile phone Bluetooth connection to play the sound in the phone; support U disk + FM radio reception. 6、VARIOUS CHOICES: Dual alarm independent buttons, 3 alarm source options (U disk, FM and buzzer), 3 alarm schedule settings (single, weekday and daily). 1 x Alarm Clock Radio 1 x User Manual 1 x Charging Cable Manual measurement, please allow some errors.