Glass 4th generation Bluetooth speaker, wireless subwoofer, Black Gold Classic Bluetooth digital dormitory

Connection method
Card insertion, Bluetooth connection, 3.5mm wired
Is there a display screen
Without a screen
texture of material
Plastic
Battery life
8 hours (inclusive) -12 hours (exclusive)
speaker unit 
Single horn
Functional Features
Colorful lights, card insertion, charging
Bluetooth version
Bluetooth 5.0