• RMS 3W * 2
• Driver 2″, 5W
• Impedance 4Ω
• S/N Radio 65dB
• Frequency Response 60-18kHz
• Function Bluetooth + Line in + FM + TF Card + USB
• Cabinet Material Plastic ABS
• Power 1500mAh
• 18650 Lithium Battery 1500mA * 1
• Play Lasting Time 2 ~ 4 hours