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Total Output Power: 6W Pure Output Power (RMS): 3W Frequency Response: 100HZ-20khz Rechargeable Internal Battery: 1200mAh Power Supply: 5v-o.5A Charging: 1-2hrs Speaker Size: 45mm Sensitivity: 85db Bluetooth version 5.0 USB Drive: Yes Micro SD Card Slot: Yes FM Radio: Yes AUX Line-In: Yes 7 Colors Pulsating LED: Yes Volume Control: Yes Playtime up ..

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