Function Bluetooth version: JL 5.0 IP67 waterproof - fully immersible and it can float Stereo full-range drivers with bass passive disk 2000mAh rechargeable battery Auto power off Handsfree function 3.5mm auxiliary input TF card slot Micro-USB DC 5V charging port USB charge out: DC 5V/1A Accessories: USB charge cable, 3.5 AUX line & Manual