Total Output Power: 6WPure Output Power (RMS): 3WFrequency Response: 100HZ-20khzRechargeable Internal Battery: 1200mAhPower Supply: 5v-o.5ACharging: 1-2hrsSpeaker Size: 45mmSensitivity: 85dbBluetooth version 5.0USB Drive: YesMicro SD Card Slot: YesFM Radio: YesAUX Line-In: Yes7 Colors Pulsating LED: YesVolume Control: YesPlaytime up to 3hrs..

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