<b>1. Is the time display always on</b> <br> NO, After two minutes of inactivity the display will darken to save battery .Tap the top of the device to display the clock again. <br><br><b>2.How to set the time stay lit up</b><br>set to Bluetooth Mode(BLUE) and leave it, after 2 minutes the Time will show and NEVER GO OFF<br><br> <b>3. How to switch 12/24H system . </b><br> Military time to standard time , press forward or backward button to switch it , so easy . <br><br> <b>4.How to set the Alarm. </b><br> From the standard time function, press MODE twice, You will see the bell icon to indicate the alarm clock function. Long press the MODE button, the hour will begin to blink.Adjust with the forward or backward buttons until the desired hour has been reached. Press MODE button and repeat the same operation to set the minute and alarm ON and OFF. <br><br> <b>5.The easiest way to load your own alarm sound. </b> <br> Simply create a folder which is renamed to "ALARM"in your micro SD card or USB Flash Drive,put your alarm sound(MP3,WMA,FLAC formats )in this folder ,that's all. <br><br> <b>6.How to freeze the color you like. </b> <br> 48 light colors cycle automatically,choose what you want depend on your mood ,touch the top of the night light and hold until such color appears then release.<br><br><b>Specification:</b><br>Bluetooth Version: Bluetooth 4.0<br> Bluetooth range: Less than 10 meter <br> Charging Time: 6 -10 Hours <br> Support TF/USB: The largest is 32GB <br> Battery: 4000mAh Lithium rechargeable battery <br>Output:DC5V,input:AC110-220V.<br><br> <b> Note:The speaker lamp does not support charge the phone, the USB port is used to insert the flash drive to play music</b><br><br><b>Package: </b><br>1 x Bluetooth Speaker<br>1 x Drawstring Mesh Bag<br> 1 x USB charing cable<br> 1 x AUX cable<br> 1 x User manual