Home Four-Speaker Sound Bar Multi-Function Audio System

Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 3000mAh
Output power: 20w
Power supply mode: built-in lithium battery
Play time: 6 hours
Expansion storage: 32GB
Number of speakers: 4
Shell material: wood
Appearance size: 380*80*9mm
Packing list: speaker + charging cable + manual + packing box
Color: yellow wood grain, brown wood grain