Koss BT221i
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Swivel ear hooks.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2026 - new arrivals, bestsellers, and the most relevant models Koss.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2026 - new arrivals, bestsellers, and the most relevant models Koss.
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Construction. I don't like earbuds, and there are very few over-ear headphones with behind-the-ear mounts. As for the sound, I must say - it's decent sound. Very flimsy. Fell apart in less than a year. The battery is a bit weak.  Anton Alyabev: use Koss BT221i few months |
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for active sports, overhead, open, wireless, Bluetooth v5.0, bone conduction, voice assistant, waterproof, battery: 150 mAh, up to 8 h
gaming, PlayStation 5, Switch, overhead, closed, wireless, Bluetooth v5.3, AAC, radio channel, 3D sound, 20 – 20000 Hz, 64 Ohm, battery: up to 200 h
gaming, overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, radio channel, active noise cancellation, 10 – 40000 Hz, 38 Ohm, battery: up to 44 h, with case + when using a radio channel, for BT - 36 hours
gaming, PlayStation 4, PlayStation 5, Nintendo Switch, overhead, closed, combined, detachable cable, 3.5 mm, 1.3 m, Bluetooth v5.2, radio channel, multichannel, 20 – 20000 Hz, 32 Ohm, battery: up to 50 h
inserts, wireless, true wireless, Bluetooth v5.4, voice assistant, waterproof, 20 – 20000 Hz, battery: 37 mAh, up to 6 h, with case + 30 h
gaming, overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, radio channel, 20 – 22000 Hz, 36 Ohm, battery: up to 54 h
gaming, overhead, closed, wireless, Bluetooth v5.3, radio channel, 20 – 22000 Hz, 36 Ohm, battery: up to 60 h
overhead, closed, wireless, Bluetooth v5.3, voice assistant, foldable, 20 – 20000 Hz, 30 Ohm, battery: 450 mAh, up to 57 h