FMAM portable speakerType: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 3600 mAh Frequency response range: 87. 8 108MHZ 520 1710MHZ Output power: 8w+8w Signal to noise ratio: 50db Power supply: 18650 built in lithium battery Channel: 5. 2 Playing time: Radio 20 hours or more, Bluetooth about 12 hours or more Applicable people: general
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