Bluetooth V4.0 with 2*5W insanely loud super bass speaker, no pin needed for pair
Waterproof, dustproof ,shockproof, rugged design for harsh environment;POWKER = Power bank + speaker + flash light , 20 hours none stop music
Built in Mic for hands free speakerphone; MP3 SD card slot ; Audio cable connection;Package included: speaker, user manual, charging cable, audio cable
