Can be configured to automatically turn on the radio or FM radio, and the clock radio can set the alarm schedule, and it has the repeat function.Perfect for older people or people in sight. With the easy-press dimmer button, you can adjust the sn brightness to a high or low level.The clock radio features automatic / FM button search for all channels. And it has 5 favorite channel storage buttons to quickly set up and listen to favorite channels.Sleep on the radio using the programmable sleep timer. Sleep timer duration is 10-90 minutes optional.Similar products all use pigtail antennas to reduce the size of the clock. You can flexibly adjust the position of the antenna to obtain theProduct information tuning range:170-240MHzFM tuning range: 87.5-108MHz5 preset stations & 5 FM preset stationsClock setting: Auto synchronization by or setting manuallyAlarm timer: dual alarmAlarm mode: /Buzzer/FMDisplay: 3.5' LED displaySpeaker: 8, 2WBackup battery: AA x 3PCS (not include)Power supply: DC-in 5V 2A (power adapter no include)Power out: 2 USB out power to other deviceoperation power: 1WHow to use1. Install batteriesOpen the battery compartmentClose the battery compartment2. Connect powerPlease use anyone phone charging adapter( can supply 5V/2A USB output) supply power to the radioUse the USB-DC cable3. Supply power to phone or other devicewhen the unit is powered by AC adapter, it can power to phone or other device by 5V OUT1/2 USB port on the back of the unitNote:When the unit is powered by batteries only, It only works for a few hours.when the or FM is on, can' to other device.size:135 x 65 x 55mmMaterial:ABScolour:blackPackage Contents:1 * Alarm clock1 * USB data cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.