6 models
| Model | Fit | Active noise cancelling | Battery life | Bluetooth version | Water resistance (IPx) | Weight | Score |
|---|---|---|---|---|---|---|---|
| Koss Porta Pro Wireless 2.0 2024 | On-ear | No | 20 h | 5.2 | — | 60 g | |
| Koss TWS250i 2021 | In-ear | No | 4 h | 5 | IPx5 | — | 4.9 |
| Koss Porta Pro Mic/ Remote 2024 | On-ear | No | — | — | — | 60 g | |
| Koss KPH7 Wireless 2021 | On-ear | No | 18 h | 5 | — | — | |
| Koss KPH40 Utility 2024 | On-ear | No | — | — | — | — | |
| Koss Porta Pro Headset 2024 | On-ear | No | — | — | — | 59 g |
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