soundcore C40i
Open-ear everyday audio and phone calls
Keep in mind Features require compatible software and appropriate fit. Runtime and performance vary with configuration.
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Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.
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Shokz OpenSwim Pro
Swimming and land-based audio
Keep in mind Photograph is the original reviewer’s OpenSwimPro/S710 unit. Current maker page lists BluetoothV5.4; radio revision of photographed unit not independently established.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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| Audio & hearablesAdd a model |  |  |
|---|---|---|
| Prices · all markets | $119.99 USD≈ €107 EURECB 2026-10-13US · Store price · Listed; local checkout and fulfilment not tested 1 offer records & sources$119.99 USD≈ €107 EURECB 2026-10-13 US · Store price Listed; local checkout and fulfilment not testedsoundcore C40i/A3331 standard pair Manufacturer exact-model listing; no currency conversion or shipping assertion.Check merchant offer ↗Price source ↗ Checked 2026-10-12 | $229.95 USD≈ €206 EURECB 2026-10-13US · Store price · Listed; model page includes Sold out state, variant fulfilment not confirmed 1 offer records & sources$229.95 USD≈ €206 EURECB 2026-10-13 US · Store price Listed; model page includes Sold out state, variant fulfilment not confirmedShokz OpenSwimPro/S710 grey standard configuration Manufacturer structured offer lists$229.95 for S710-ST-GY-US. Visible page includes Sold out state, so in-stock is not asserted.Check merchant offer ↗Price source ↗ Checked 2026-10-12 |
| Designed for | Open-ear everyday audio and phone calls ↗ | Swimming and land-based audio ↗ |
| Water / dust rating | IPX4 ↗ | IP68; manufacturer permits up to2 m fresh-water submersion ↗ |
| Weight | 5.8 g per earbud ↗ | Not verified |
| Form factor | Clip-on open-ear earbuds ↗ | Open-ear bone-conduction headset ↗ |
| Driver | 12 ×17 mm titanium-coated driver ↗ | Not applicable to this category |
| Wireless | Bluetooth5.4; multipoint connection ↗ | BluetoothV5.4 listed on current manufacturer page; original reviewed unit radio revision was not independently checked ↗ |
| Playtime | Up to7 h earbuds /21 h with case ↗ | Up to9 h Bluetooth /6 h MP3 playback ↗ |
| Controls | Physical buttons ↗ | Multifunction physical button and Shokz app ↗ |
| Fit | 0.5 mm memory titanium wire and TPU flexible joint ↗ | Not applicable to this category |
| Charging | Fast charging supported ↗ | 4-pin magnetic cable ↗ |
| Storage | Not applicable to this category | 32 GB integrated music storage; usable space is lower ↗ |
| Underwater Mode | Not applicable to this category | MP3 playback only; Bluetooth is disrupted by water ↗ |
| File Formats | Not applicable to this category | MP3,FLAC,WAV,AAC,M4A,APE,WMA ↗ |
| Availability | Manufacturer model documentation verified. Exact destination checkout and fulfilment were not tested. | Manufacturer model documentation verified. Exact destination checkout and fulfilment were not tested. |
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| Editorial pick & release | No editorial ranking recorded | No editorial ranking recorded |
| Evidence | Manufacturer source Checked 2026-10-13 | Manufacturer source Checked 2026-10-13 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.