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Model: Awei TZ7
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Bluetooth scheme: AC6973D4, V5.3
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Channel system: stereo
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Supported protocols: a2dp \ avctp \ avdtp \ avrcp \ hfp
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Battery capacity of earbuds: 30mAh*2 (protection IC)
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Battery capacity of charging case: 250mAh (protection board)
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Horn diameter: 13mm
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Playback time: 5h
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Call time: 4h
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Horn sensitivity: 111±3dB
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Horn impedance: 16Ω+10%
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Charging voltage: DC 5V
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Bluetooth operating frequency: 2402-2480MHz
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Frequency response range: 20HZ-20KHz
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Maximum transmission distance: 10m
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Voice prompt: supported
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Multi-point connection: unsupported
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Wearing method: ear-clip
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Waterproof rate: PX4
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Instructions: Chinese and English
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Interface: Type-C
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Accessories: USB charging cable, user manual



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