Product Name: KTS-1528 Portable Wireless Speaker Material: Plastic Material Product Size: 16×15.1 x 36.5 cm Output Power: 10W Woofer Size/Full-Range Size: 4″ Free Accessories: USB cable x 1pc Frequency Range: 100HZ-20KHZ Battery Capacity: Rechargeable in Li Battery 2400 mAh Function: BT, USB, TF, TWS, FM Radio, AUX-in, Bass, Mic input, Lamp Mode Switching