Anncia New Portable MP3 Player Speaker with FM Radio USB Micro SD Input and Clock. (UN68 Red) FM function, Clock function (No Alarm), you can check the time. Passive Bass Radiator, Enhance Bass effect. Build-in lithium battery 18650, Long Playing Time over 10 hours, rechargeable by Micro USB port Supports Micro SD TF Card, A USB & MICRO SD card slot allows to save your favorite music on it and then just play music on the speaker (card not included) Earphone output enables you listen privately.