Peterhot A105 Portable Speaker / Karaoke system Bluetooth / USB / SD Card / AUX (A105-BK)

Speaker system: 2 2-inch treble speakers; 1 3-inch bass speaker 
Frequency range: 80 Hz - 20,000 Hz 
Bluetooth 5.0 technology 
Support: 6.5mm jack; USB; Memory card; FM; Aux
Battery: 20,000 mAh 
Power supply: 5V
High power up to 56 watts
Charging Input: Type-C
Charging time: 2 hours
Working time at full charge: 4~6 hours
Carrying handle: Yes
Phone Stand: Yes