- Input voltage: DC5V 1A

- Nominal voltage: AC 100-240V

- Bluetooth Distance: 10M

- Bluetooth version: Bluetooth V5.4

- Speaker: 3W*2

- Frequency response range: 20Hz-20KHz

- Function: Supports CD,AUX IN,Bluetooth,USB

- Support format: CD/CD-R/CD-RW/CD-G/MP3/WMA

- Built-in Lithium Battery: 3.7V 4000mAh