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Feature:
Bluetooth Version: 3.0
RF range: 10M
Frequency response: 100Hz-20KHz
Playback time: 8-10hours
Charging time: 3 hours
Charging input: DC 5V
Microphone sensitivity: -40dB
THD¡Ü1%
Loud speaker output: 3W
Bluetooth Waterproof Speaker,Wholesale china