Type: 4.0" inch LCD Multi-Function Alarm Clock w / FM radio/ Calendar / Music - Product Color: Blue - Quantity: 1 - Material: ABS - 4.0 inch LCD display - Normal display with time 12hr/24hr system changeable(Default AM 12:00) - Two sets alarm clock:1.BI BI music alarm clock 2.Radio control clock when it reach setting time the radio will open itself with the latest channel. - The length of alarm time can be settled - FM radio frequency: 87.5-108 MHz - Speaker power: 2 x 3W - Both manual or automatic preset channels are available.(MAX: preset 20 pieces of channel - Regular shut down (0-24h ) - Speaker used in mp3 mp4 mobile PC etc by 3.5mm audio input. - Double power supply: 4 x AA battery (not included or DC 5 V) - Unit size: 13.5 x 7 x 8.5cm - Weight: 450g