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Bluetooth Version: V5.1
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Chip: JL6973D4
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Supported Protocols: HSP, HFP, A2DP, AVRCP
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Audio Decoding: AAC, SBC
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Communication Range: ≤15m (standard environment)
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Frequency Range: 2402–2480MHz
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BT Max Output Power: 8dBm
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Sensitivity: 113 ± 3dB
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Total Harmonic Distortion (THD): ≤5%
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Speaker Size: φ13mm
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Impedance: 32Ω
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Power: 3mW
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Charging Case Battery: 320mAh
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Earbud Battery: 30mAh
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Music Time: About 5h (80% volume)
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Talk Time: About 4h
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Standby Time (Connected): About 120h
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Charging Time: About 1h
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Wireless Charging Time: About 3h
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Charging Cycles: Up to 4 times
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Input: DC 5V/1A
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Waterproof Rating: IPX4