FM and Bluetooth TransmitterHOTT portable CD player has built-in FM transmitter,which make it easily connect to car audio system.This portable CD player also provides Bluetooth connection,it can be easily paired with Bluetooth headphones,Bluetooth earbuds or Bluetooth speakers. Its perfect for on-the-go listening and sharing your music with others. Wide Compatibility and Last MemoryHOTT walkman CD player portable supports most of CD format: CD, MP3, CD-RW, CD-R and audio formats: WMA,MP3,CD-DA. It has 5 sound effects: BBS, Pop, Jazz, Rock,Classic. There are five playing modes:Repeat one,repeat all,intro,shuf,play in order. Our cd player can record the position of the last play. When you open, it will start from the track where you stopped. Rechargeable CD PlayerBuilt-in 2000mAh lithium battery,the HOTT personal CD player can play CDs for more than 10 hours after 3-4 hours of full charge. Using included USB cable for charging, portable and convenient.The disc player c