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Nokia Essential True Wireless Earphones E3103
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Specifications
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Manufacturer details
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Manufacturer
RichGo Technology (Shenzhen) Co. Ltd.
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General
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Wearing style:
True Wireless Earphones
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Ear coupling:
Concha
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Frequency response:
20 Hz to 20KHz
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Transducer principle:
Dynamic driver
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Transducer size:
13mm
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Sound pressure level(SPL):
102dB±3dB
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Impedance:
32Ω
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Microphone principle:
MEMS x 2
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Ingress protection of the earduds:
IPX4
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Weight:
Left earbud? approx. 3.3g
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Right earbud?approx. 3.3g
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Charging case: approx. 31.4g
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Bluetooth
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Version:
Bluetooth 5.1
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Transmission frequency:
2.402 GHz to 2.480 GHz
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Profiles:
HSP, HFP, AVRCP, A2DP
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Codec:
SBC
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Effective Range:
Line of sight approx. 30ft (10m)
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Power
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Power supply:
Built-in Lithium rechargable batteries, 3.7V
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Left earbud: 37mAh
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Right earbud: 37mAh
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Charging case: 320mAh
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Operating time:
Up to 7hrs (music playback via A2DPwith 70% of the volume) with rechargeable batteries of the earphones*
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25 hrs with rechargeable battery of the charging case*
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Charging time:
Earphones: approx. 2 hours
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Charging case: approx. 2 hours
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* Charging case that holds multiple charges for having the total play time. Battery life depends on device settings, environment, usage and many other factors.
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