Bluetooth Headset

Physical Characters
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Weight (with battery) 185g (with over-the-head headband)
175g (with Hard-Hat-Side Clip Module)
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Wearing style Over-the-head headband;
Hard-Hat-Side Clip
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Field Replaceable Headband, Battery, Ear pad, Windsock,
Parts Headband pad, Temple pad
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Battery Replaceable 650mAh Li-lonbattery,
3.7V with upto 21 hours of continuous speech
use on a single battery with
≤100 charge/discharge cycles
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Charger Time 2 hours at 0℃ to 40℃
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Interface USB Type-C, Communication or battery charging
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SPECIFICATIONS
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Minimum work temperature -30℃
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Minimum storage temperature -40℃
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Maximum work temperature 50℃
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Maximum storage temperature 70℃
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Protection Grade IP54
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Humidity 5% to 95% non-condensing
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Microphone High performance sealed canceling noise microphone, echo
cancellation
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Noise Reduction Rating Approximately 10 dB ambient passive noise reduction
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Microphone Sensitivity -53dB (1kHz, 1Pa) , no more than 1m
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Receive Frequency Response 300 Hz to 6 kHz
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Speaker Sensitivity 89 dB SPL with 1.0Vrms @1 kHz
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Drop resistance 13 drops from 2.2m at minimum and maximum at operating
temperatures;
25 drops from 1.9m at minimum and maximum at operating
temperatures
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Bluetooth BT 5.0 BLE
Datasheet for
Bluetooth Headset
Datasheet for
Wired Headset
Battery & 8-Slot Battery Charger