1.CSR V4.0 Bluetooth Audio player 
<br />2.Support TF card 
<br />3.FM radio function 
<br />4.3.5mm stereo jack can connect Audio player 
<br />5.With power bank function,can charge to mobile device.
<br />6. LED Flashlight Tong function
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<br />Color: Red, Green, Blue, Grey, Brown.
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<br />Detailed Parameters:
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<br />1.Battery capacity: 4000maH 
<br />2.Bluetooth Version: CSR 4.0
<br />3.Input voltage: 5v / 1A 
<br />4.Speaker: 4 
<br />5.Transmission distance: 10m 
<br />6.Frequency response: 20Hz-20KHz
<br />7.Output power: 3w 
<br />8.SNR:  8dB
<br />9.Operating voltage: 3.7V
<br />10.Distortion:<1%
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<br />Standard Package :
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<br />Accessories:
<br />Zealot S1 Bluetooth Speaker *1pcs (  including retail boxes)
<br />USB charge cable *1pcs