LH93-BLUETOOTH HEADPHONE

Bluetooth version: 5.0 Loudspeaker diameter :40mm Impedance:32R*2,0.02W*2 working voltage:3.3v-4.2v Frequency response range:20-18KHz Communication distance:10M Continuous working time: 4 H Charging time:2.5-3 H Battery: 200mah

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