● Speaker: Φ52mm 3Ω5W
● Output power: 5W *2
● Frequency: 85Hz-20KHz
● External magnetic speaker: Double magnetic low frequency
● Input sensitivity: 400mV
● Resolution: ≥90dB
● Signal to noise ratio: ≥80dB
● Charging: DC 5V 500MA
● Battery: 1800mAh
● Sound Channel: 2 Channels
● Control Keys: 4 Button control
● Color: Black, Red, Blue, Silver, Gold
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