• Support adjustment
• Support one key dodge
• Support one key to eliminating the original song
• Support Bluetooth-compatible accompaniment
• Support accompaniment adjustment
• Support microphone high school bass adjustment
• Support voice change adjustment
• Support sound volume adjustment
• Support 2 live phone use
• Support dual microphone
• Built-in speaker cavity (sound effect does not lose the big audio effect)

Specifications:

• Charging voltage: DC5V/3 A  
• Speaker*2: 5W + 5W 
• Battery capacity: 4000mAh  
• Charging time: 2 hours  
• Speaker power: 20W  
• Bluetooth-compatible version: 5.0  
• Audio playback time: 3.5H  
• Audio off the length of time used: 10-15H