Speaker KST-1182 Wireless Portable Bluetooth Support Usb, Micro SD and FM Radio Brand: KTS, Model: KTS-1182,  LED Color: RGB Number of Loudspeaker Enclosure: 1 Communication: Bluetooth, Usb, Micro SD and FM Radio Wireless Transmission Range: Up to 5 meters Speaker Drive Size: 3inch Output Power: 5w Power Source: 600mAh battery USB Charging: DC5V Charge Time: 2-3 Hours Run Time: +/- 2 hours Product Size: 11.7cm x 9.8cm x 17.9cm