Brand:
A4tech
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:A4Tech
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:BH300
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:Green
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:USB Type-C Charging Cable: 30 cm;AUX 3.5mm Audio Cable: 100 cm
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:HEADPHONE: 20Hz - 20KHz;MICROPHONE: 100Hz- 10KHz
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:Bluetooth Version: v5.3;Operating Range: Up to 10m (32 feet);Built-in Battery: 400mAh Lithium Battery;Playback Time: 35H;Speaker Unit: 40mm Hybrid Diaphragm;lmpedance: 32ohm;Headphone sensitivity: 100dB;Microphone sensitivity: -42dB