AXESS SPBT1038 Portable Bluetooth Indoor/Outdoor 2.1 Hi-Fi Cylinder Loud Speaker with Built-In 3" Sub and SD Card, USB, AUX Inputs in Black 2.1 outdoor passive HIFI Bluetooth speaker with 3 inch subwoofer Secure simple pairing with a 32 foot operating range USB support, SD card support and line-in function suitable for PC, MID, TV and other audio devices Slide panel control for volume and leather handle for easy carrying Built-in Lithium rechargeable battery (1000mAh)