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:_x000D_ 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._x000D_ 2. Precise incisions and interfaces insure perfect suitability for mounting locations and ease of installation._x000D_ 3. The module is made of high quality materials, which can effectively avoid corrosion and wear._x000D_ 4. Professional chip sets provide excellent performance in the system._x000D_ 5. Standard 3.5mm interface, which can input stereo sound source, plug in earphone, and connect power amplifier._x000D_ 6. Easy to operate and anti-aging, extend the service life._x000D_ _x000D_ : _x000D_ Condition: 100% Brand New_x000D_ Material: ABS_x000D_ Color: As Pictures Shown_x000D_ Size: Approx. 4.5 * 4 * 1cm/1.8 * 1.6 * 0.4in_x000D_ Power Supply Interface: Universal Micro USB 5V_x000D_ Power Supply Bonding Pad:External 3.7V-5V_x000D_ USB (U Disk) Interface: Support play files of MP3/WAV/APE/FLAC format in the U disk, support FAT16/32 file format_x000D_ 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_x000D_ LED Indicator Light: Normally on in bluetooth mode, flash in music play mode_x000D_ 3.5mm Stereo Output: Standard 3.5mm jack _x000D_ _x000D_ Package List: _x000D_ 1 * Module PackageList