SPEAKER BLUETOOTH MICROPHONE GK300

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PORTABLE WIRELESS AMPLIFIER VOLTAGE : DC 3.3-4.3V, POWER : 8W, FREQUENCY RESPONSE : 80Hz-12Hz, BATTERY CAPACITY : 3.7V 2500mAH, PLAYING TIME : 5-8 HOURS, MEDIA SUPPORT : MP3, WAV, TF CARD : 64GB (MAX) BLUETOOTH : 5.1, TRANSMISSION BLUETTOTH : 8-10 METER,

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