Audio Output: 30W to 50W driver units with enhanced deep bass and a frequency response of 20Hz–20KHz.Battery Capacity: Built-in rechargeable 8800mAh battery for up to 10–12 hours of playback.Connectivity: Bluetooth 5.3, USB flash drive slot, TF/MicroSD card slot, and 3.5mm AUX input.Extras: Built-in FM radio, hands-free microphone for calls, and an included carrying handle/stra