Description:
Compact charging box, easy to fit in pockets, easy to carry when you go out, you can listen to music anytime, anywhere.
The headset can be operated with a light touch, without pressing, all kinds of headset operation at your fingertips.
Eliminate surrounding noise and enjoy immersive music enjoyment.
Nokia Essential True Wireless Earphones E3511 |
Wearing style |
True wireless earphones |
Ear coupling |
Ear canal |
Frequency response |
20Hz to 20kHz |
Transducer principle |
Dynamic driver |
Transducer size |
10mm |
Sound pressure level(SPL) |
102dB±3dB |
Impedance |
32Ω |
Microphone principle |
MEMSX2 |
Power supply |
Built-in Lithium rechargeable batteries
Left earbud : 45mAh/3.7V
Right earbud : 45mAh/3.7V
Charging case : 350mAh /3.8V |
Operating time |
6.5 hrs with ANC off ,4.5 hrs with ANC on (music playback via A2DP )with rechargeable batteries of the earphones.
25 hrs with ANC off ,17 hrs with ANC on with rechargeable battery of the charging case . |
Charging time |
Earphones approx 2 hrs
Charhing case :approx 2 hrs |
Ingress protection(earbuds) |
Anti-dust and splash proof (IP44) |
Weight |
Left earbud : approx 4g
Right earbud :approx 4g
Charging case :approx 40g |
Volume control |
Yes |
Bluetooh |
Version |
Bluetooth specification version 5.2 |
Profiles |
HSP,HFP,AVRCP,A2DP |
Effective range |
Line of sight,approx .30ft(10m) |
Transmission frequency |
2402 MHz TO 2480MHz |
Output power |
3mW(max) |
Supported audio Formats |
SBC |






