Nokia Essential True Wireless Earphones E3110

Specifications

1. Manufacturer details

   • Manufacturer

     RichGo Technology (Shenzhen) Co. Ltd.

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2. General

   • Wearing style

     True Wireless Earphones

   • Ear coupling

     Concha

   • Frequency response

     20 Hz to 20KHz

   • Transducer principle

     Dynamic driver

   • Transducer size

     13mm

   • Sound pressure level(SPL)

     102dB±3dB

   • Impedance

     32 OHMS

   • Microphone principle

     MEMS x 2

   • Ingress protection of the earduds

     IP44

   • Weight

     Left earbud;approx. 3.2g

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     Right earbud;approx. 3.2g

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     Charging case; approx. 27.6g

3. Bluetooth

   • Version

     Bluetooth 5.1

   • Transmission frequency

     2.402 GHz to 2.480 GHz

   • Profiles

     HSP, HFP, AVRCP, A2DP

   • Codec

     SBC

   • Effective Range

     Line of sight approx. 30ft (10m)

4. Power

   • Power supply

     Built-in Lithium rechargable batteries, 3.7V

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     Left earbud:30mAh

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     Right earbud: 30mAh

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     Charging case: 250mAh

   • Operating time

     4hrs (music playback via A2DP) with rechargeable batteries of the earphones*

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     16hrs with rechargeable battery of the charging case*

   • Charging time

     Earphones: approx. 1.5 hours

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     Charging case: approx. 1.5 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.