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Bluetooth version: V5.0.
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Audio decoding: SBC.
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Supported protocols: HSP, HFP, A2DP, AVRCP.
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Frequency response range: 20Hz–20kHz.
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Speaker type: Dual dynamic speakers.
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Speaker size: Φ8.0mm*4.
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Speaker rated power: 3mW.
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Speaker impedance: 32Ω±15%.
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Speaker sensitivity: 103±3dB.
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Battery capacity: 105mAh.
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Music time: About 8 hours (at 80% volume).
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Talk time: About 7 hours (at 80% volume).
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Standby time (connected): About 48 hours.
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Charging time: About 1.5 hours.
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Charging port: Micro USB.