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