Highlights

Product details of Nokia Essential True Wireless Earphones E3511

• Frequency response: 20 Hz to 20KHz
• Ingress protection (earbuds): IP44
• Volume Control: Yes
• Bluetooth 5.2
• Effective range: Line of sight approx. 30ft (10m)
• Output power: 3mW (max)
• Operating time: 6.5hrs with ANC off, 4.5hrs with ANC on(music playback via A2DP) with rechargeablebatteries of the earphones*25hrs with ANC off, 17hrs with ANC on with rechargeable battery of the charging case*
• Power supply: Built-in Lithium rechargable batteries, 3.7V | Left earbud:45mAh | Right earbud: 45mAh
• Charging case: 350mAh
• Charging time:Earphones: approx. 2hours | Charging case: approx. 2 hours * Charging case that holds multiple charges for having the total play time. Battery life depends on device settings, environment, usage and many other factors.