Compare Open-Ear Designs
Compare open-ear and bone-conduction wireless audio by mechanism, fit, awareness limits, and the model details to verify before buying.
If you are interested in more details, you can find full information on the seller's page.
Sport headphones with Bluetooth 4.1 and a magnetic design.
| This item | Recommendations | |||||
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Tronsmart S1 Black Bluetooth version: 4.1
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Tronsmart Sounfii R4 Black 12mm composite diaphragm driver unit
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Tronsmart Sounfii R4 Beige Call noise reduction: ENC
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Tronsmart KH02 Blue Wireless connectivity
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Black Earbuds Black Bluetooth version: 6.0
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Tronsmart OpenFly Clip 2 Black Open-ear, clip-on wireless headphones
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| Brand | Tronsmart | Tronsmart | Tronsmart | Tronsmart | Tronsmart | Tronsmart |
| Model | S1 | Sounfii R4 | Sounfii R4 | KH02 | OpenFly Clip 2 | |
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| Price | €22.49 | €12.66 | €16.62 | €26.40 | €36.18 | €36.18 |
| Seller | Geekbuying | Newegg | Geekbuying | Geekbuying | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Size | 14.5*9.5*2.5 | 12.7 × 9.8 × 4.0; unit and axes not specified | 15.5*16.8*7.5 | |||
| Model Name | S1 | Sounfii R4 | Sounfii R4 | KH02 | OpenFly Clip 2 | |
| Product Type | Sport headphones | Wireless earbuds | True wireless earphones | Wireless kids headphones | Earbuds | Earbuds |
| Product family | Encore | Sounfii Series | OpenFly | OpenFly | ||
| Bluetooth Version | 4.1 | 6.0 | Bluetooth 6.0 | |||
| Driver unit | 12mm composite diaphragm | 11mm | 11mm | |||
| Part Number | 1096447 | OpenFly Clip 2 | 1297716 | |||
| Frequency Response | 20Hz-20KHz | 20Hz-40kHz | 20Hz-40kHz | |||
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