50821 Wireless BT Earphones
●Frequency range: 2.4GHz - 2.48GHz
●Operating distance: up to 3-5 m (free space)
●Standby time:up to 180h
●Talking/ music-playing time: about 5h
●Charging time: about 2h
●BT profiles: A2DP, AVRCP, HSP, HFP
●Frequency response: 20-22kHz
●Operating Ternperature: -10°-50°C
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2020/05/10 |
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2.9 MB |
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