Product Specification of Y388 Karaoke Sound System Speakers  Bluetooth Version:  V5.0 Play Mode:  Bluetooth, TF Card, Aux, USB, COAX, Microphone Speaker Power:  25W Charging Voltage:  5V/1A Frequency Response:  60Hz-18KHz Working Time:  6 Hours Charging Time:  About 4 Hours Bluetooth Transmission Distance:  10M Mode: 4 Ambient Light Dual Color Mode Colorful Mode Monochromatic Mode Neon Mode

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