Kts Mini Speaker Bt 5.0 Wireless Outdoor Portable Product Name  inch GTS-1839 Material PP, Metal Function Bt, Usb, Fm radio, Tws, Tf card Color Black Battery 800mAh rechargeable li-battery Output Power 5W Product Unit Size 13.2×12.6×15.4 cm Free accessories Usb Charging Cable 1pc Voltage DC 5V