Bluetooth USB AUX Radio Rechargeable Lights TWS Warranty – 6 Months Product Size:440*146*177mm RMS Power: 12W BLUETOOTH VERSION:5.0 Drivers:4″”*2 Frequency: 90Hz–18KHz FM Frequency : 87.5MHz–108MHz Battery:3.7V/2000mAh Charging time: 3.5H（5V/1A) Micro USB charging Play time: 3.5-4.5H (80% volume ) Function:Bluetooth/USB/TF/FM/AUX/MIC/LIGHT/TWS”