Features 1.Support bluetooth 4.1, support automatic back connection function, support WAV+APE+FLAC+MP3 lossless decoding, stereo channel output, also comes with TF card slot, support U disk, TF card play. 2.Precise incisions and interfaces insure perfect suitability for mounting locations and ease of installation. 3.The module is made of high quality materials, which can effectively avoid corrosion and wear. 4.Professional chip sets provide excellent performance in the system. 5.Standard 3.5mm interface, which can input stereo sound source, plug in earphone, and connect power amplifier. specificationFeatures: 1. Support bluetooth 4.1, support automatic back connection function, support WAV+APE+FLAC+MP3 lossless decoding, stereo channel output, also comes with TF card slot, support U disk, TF card play. 2. Precise incisions and interfaces insure perfect suitability for mounting locations and ease of installation. 3. The module is made of high quality materials, which can effectively avoid corrosion and wear. 4. Professional chip sets provide excellent performance in the system. 5. Standard 3.5mm interface, which can input stereo sound source, plug in earphone, and connect power amplifier. 6. Easy to operate and anti-aging, extend the service life. : Condition: 100% Brand New Material: ABS Color: As Pictures Shown Size: Approx. 4.5 * 4 * 1cm/1.8 * 1.6 * 0.4in Power Supply Interface: Universal Micro USB 5V Power Supply Bonding Pad:External 3.7V-5V USB (U Disk) Interface: Support play files of MP3/WAV/APE/FLAC format in the U disk, support FAT16/32 file format TF Card Slot (NOT Including TF Card): Support play files of MP3/WAV/APE/FLAC format in the TF card, support FAT16/32 file format LED Indicator Light: Normally on in bluetooth mode, flash in music play mode 3.5mm Stereo Output: Standard 3.5mm jack Package List: 1 * Module PackageList