Nokia Essential True Wireless Earphones E3101

Specifications

1. Manufacturer details

   • Manufacturer

     RichGo Technology (Shenzhen) Co. Ltd.

   •  
     

      
     

     
     

2. Dimensions

   • Wearing style

     True wireless earphones

   • Ear coupling

     Concha

   • Frequency response

     20 Hz to 20KHz

   • Transducer principle

     Dynamic driver

   • Transducer size

     13mm Dynamic

   • Impedance

     16?±15%

   • Max Output power(Driver)

     5mW

   • Microphone principle

     MEMS x 2

   • Microphone frequency response

     20Hz to 20K Hz

   • Microphone sensitivity

     -42±3dB

   • Microphone pick-up pattern (speech audio)

     1 mic

   • Power supply

     Built-in Lithium rechargable batteries, 3.7V.

   •  
     

     Left earbud:40mAh

   •  
     

     Right earbud: 40mAh

   •  
     

     Charging case: 350mAh

   •  
     

     Type-c charging via type-c socket of the charging case: 5V, 300mA.

   • Operating time

     5hrs (music playback via A2DP) with rechargeable batteries of the earphones*

   •  
     

     20hrs with rechargeable battery of the charging case*

   • Charging time

     Earphones: approx. 2hours

   •  
     

     Charging case: approx. 2 hours

   • Ingress protection of the earduds

     IP44

   • Weight

     Left earbud: approx. 3.4g

   •  
     

     Right earbud: approx. 3.4g

   •  
     

     Charging case: approx. 28.8g

   • Volume Control

     Yes

3. Electrical

   • Version

     Bluetooth 5.1

   • Transmission frequency

     2.402 GHz to 2.480 GHz

   • Profiles

     HSP,HFP,AVRCP,A2DP

   • Output power

     3mW (max)

   • Codec

     SBC

   • Effective Range

     Line of sight approx. 30ft (10m)

   • Number of phone recorded

     9

   • * Charging case that holds multiple charges for having the total play time. Battery life depends on device settings, environment, usage and many other factors.