Arirang Professional battery speaker system feature 6.5"X3 rechargeable speaker ( 50cm*30cm*23cm) With USB & TF & FM & BT & TWS With microphone input With FM radio function With DJ light Specification Peak output power (effective value): 500W×3 Frequency response: 100HZ-20KHZ Impedance: 4ohmSpeaker: 6.5"X3 Power supply voltage: DC 9V battery: 7.4V/3000mAhB DELIVERY PERIOD: 2-4 days Metro Manila 3-7 days Provincial ️ Please CHOOSE THE CORRECT variation so we can avoid mistakes Please leave us a positive feedback with 5 STARS ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ if you are satisfied with our product and service. Your feedback will be much appreciated."