AXESS SPBT1031 Portable Bluetooth Indoor/Outdoor 2.1 Hi-Fi Cylinder Loud Speaker with Built-In 3" Sub and SD Card, USB, AUX Inputs in Red Secure simple pairing for user- friendly operating Comes with USB and SD card support as well as a Line-In function: Suitable for PC, MID, TV and other audio devices,Side control panel for volume Product Dimensions: 9.875" (250.825mm) L x 5.25" (133.35mm) Diameter Built-in Rechargeable Battery,32 ft (10 meters) operating range,Horn output: 2W x 2, 4 ohms; Subwoofer output: 5W, 4 ohms,Frequency Response: 100-20 KHz. Come's with strap for easy portability