‘-Portable outdoor wireless speaker -Portable and Durable Construction -Charming RGB Lights -Multi-function design: Bluetooth, AUX, Micro SD in, TWS. FM ,RGB Lights -Playing Time:4H -Charging time:  3H -Support: TWS, USB ,AUX ,FM,USB,RGB LED  Input:Micro USB -Bluetooth version: V5.0 -Product size: 275x116x127mm -Speaker driver size: 3inch -RMS output : 8W -MAX output: 8.5W -Battery capacity : 1500mAh -Frequency response: 100Hz-12kHz -Input power supply : DC 5V/2A -Built-in large capacity battery can play up to 15 hours on a single charge. -TWS function