Kone Keltto Oy lists, Huutokaupat.com sells

High-quality noise-cancelling headphones, Isokyrö

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1 / 3Sold to highest bidder

For Sale

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Wireless Bluetooth headphones with active noise cancellation (ANC)

🔗 Bluetooth 5.3 and easy pairing

Enjoy faster, more stable connections with Bluetooth 5.3. Identify your device easily by the pairing name BTN-211 for quick setup.

⚙️ Advanced JL7006F chipset

The JL7006F chipset provides reliable performance, efficient power use and smooth audio streaming.

🎧 Long playback and standby time

Listen for up to 20 hours at 50% volume with ANC off and benefit from around 100 hours of standby — ideal for extended use.

🔊 Immersive sound and noise cancellation

Experience full sound across a 20 Hz–20 kHz frequency range. 18 dB (±2 dB) ANC depth reduces background noise for clearer listening.

🎵 Versatile connections and hands‑free use

Supports MicroSD cards and a AUX input (3.5 mm cable not included), plus hands‑free calls for added convenience and flexibility within a 10‑metre range.

Technical specifications

Main features Noise cancelling, MicroSD card, AUX, 20 hours playback
ANC - Active noise cancellation: Yes
Battery charging method USB cable
Battery charging time 1 hour
Battery voltage 3.7 V
Bluetooth Yes
Bluetooth version 5.3
ENC - Microphone noise reduction No
Built‑in microphone: Yes
Music playback time 20 hours
Power adapter included No
Talk time 20 hours
Water/splash resistant: No

Fast delivery

Terms of Sale

The seller undertakes to sell the item to the highest bidder.

The seller of this item is Huutokaupat.com. The seller provides additional information about the item on behalf of Huutokaupat.com and is responsible for handing over the item. The item must always be paid for via the online payment buttons on the Huutokaupat.com website or by invoice from Huutokaupat.com. If the item is not paid to Huutokaupat.com, Huutokaupat.com accepts no liability for the transaction.

Please familiarise yourself with the Huutokaupat.com auction terms for stores, and the terms of sale applicable to this auction before placing a bid.

Please note that

participating in an auction without the intention to buy is prohibited
you should inspect the item and the information provided before bidding (items are sold to non-consumer buyers on an as‑is basis)
the condition, lifespan and upgrade options of used items typically do not match those of new goods — more information is available here
the item must be paid for within one (1) working day of the bid being accepted.

If you need more detailed information about the item or the sale, please contact the seller. For other matters, you can contact Huutokaupat.com customer service. Purchases made by consumers are subject to the right of withdrawal under consumer protection law; the terms and limitations are set out in the terms of sale.