Bluetooth chipset：BK-3266-34 v5.0 Bluetooth distance: 10M
Speaker size: Φ10MM
Sensitity: 110±3dB 1kHz/1mW
Support: HSP, HFP, A2DP, AVRCP
Resistance: 16 ohm ±15% 1kHz
Frequency: 20Hz～20KHz
Battery：140mah
Charging time: about 1.5H
Play time：12H
Talk time：12H
Standby time：140H
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Dongguan City, 523000.
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