Feature: 【BT 5.0】the digital clock supports Bluetooth connection,within 10m remote distance.you can use it for your party,home,or anywhere you want. 【Double Alarm Clock Design】there are two seperate alarms which can be set used independently.5 built in rings avaliable and TF card audio source also could b used as alarm rings.the TF card has to be put into the speaker and there are udi sources in TF card.the rings will play the audio files in turns as the speaker works in TF card mode.the alarm will play the first built-in ring if there is no card in the speaker,even if TF card has been set as the ring sources for the alarm. 【FM Radio】easy tuning in FM radio channel,long press M the speaker will get into FM channels searching automatically(the radio effect depends on the circumstances and signal.radio will be good with strong signal and less interference) 【2000mAh Battery Capacity】built-in 2000mAh rechargeable lithium battery provides up to 8-10 hours of playback.it is a good companion for travel amp; hiking,lightweight and easy to fit in your bag or backpack. 【High Quality】the mini speaker can make you experience music with stereo ensure clear and exquisite sound. Parameter: Material:Plastic Bluetooth Version: 5.0 Remote Distance: ≤10m Battery Capacity: 2000mAh Charging Voltage: DC5V 2A Function:Bluetooth,Aux,TF Card,Alarm Clock,FM Radio Power Output: 3W*1 Product size: 14*7*4.5cm