Manufactured by Pi Electronics Inc.</br> Latest Bluetooth 4.0 Play music wirelessly from your phone tablet or computer by world-class chipset (Like CD Quality). IP67 Waterproof and portable design makes your music everywhere from indoor & outdoor free from care of rain dust humidity tough environment designation protects your investment with full advantages</br> Enjoy DSP and MAXXBASS Technology music bass enhancement  makes music sound rich & deep and real. Advanced Echo and noise cancellation HD MIC makes your speakerphone calls sound loud & clear during hand free conversation.</br> Build in music player function playback all music format from Micro SD card. Giving you unbeatably convenient of using swappable memory cards for up to 32Gb music storage. Emergency Power bank function. +5V Power output to charge your phone or tablet.</br> 2X LONG PLAYBACK TIME of DSP SPEAKER makes longer time to enjoy your high quality music with friends.</br></br>Product Description</br></br><p></p><p><b>Hear the sound?? you will believe it! </b></p> Hello?? we are PI Electronics and we LOVE SOUND. <p></p><b>FEATURES</b> <br>- Latest Bluetooth 4.1?? Play music wirelessly from your phone?? tablet?? or computer by world-class chipset (Like CD Quality) <p></p><br>- IP67 Waterproof and portable design?? makes your music everywhere from indoor & outdoor?? free from care of rain?? dust?? humidity tough environment?? designation protects your investment with full advantages <p></p><br>- Enjoy <b>DSP and MAXXBASS</b> Technology music bass enhancement ?? makes music sound rich & deep and real <p></p><br>- Advanced Echo and noise cancellation HD MIC?? makes your speakerphone calls?? sound loud & clear during hand free conversation. <p></p><br>- Build in music player function?? playb