Classic bedside radio and fashionable function design Connect to smart phone Via Bluetooth streaming play USB disk music file play FM radio recerver 5 preset store key, fast select Multiple separate keys and one knob for simple operation Jumbo LED screen display clock (white) 3 level brightness dimmer Two separate alarm buttons 3 kinds of alarm sound select (U-disk\FM radio\Buzzer) 3 kinds of alarm schedule select (once\weekday\everyday) Snooze timer setting sleep timer setting One click standby enter low-power mode Power outage memory clock Power outage memory music files Telescopic antenna,good FM reception 2 inch 5W speaker with woofer unit Rechargeable battery inside DC charging port, long service life Specification: Bluetooth version: 5.0 U disk file format: MP3 FM frequency range:87.5-108MHz Battery capacity: 1200mAh Preset address: 5 Alarm clock: 2 Groups Automatic sleep time: 15-90 minutes Screen brightness adjustment level: Level 3 LED screen size: 80*26mm (white light) Speaker: 2-inch 5W full-range speaker bass diaphragm Battery: Lithium-ion rechargeable battery Power input: DC5V 1A Power consumption: 2W USB interface: 1 Size: 160*95*60mm