AXESS SPBT1037 Portable Bluetooth Indoor/Outdoor 2.1 Hi-Fi Cylinder Loud Speaker with Built-In 4" Sub + Vibrating Disk and SD Card, USB, AUX Inputs in Red 2.1 outdoor passive HIFI Bluetooth speaker with 4 inch subwoofer and vibrating disk 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 (1500mAh)