OnePlus Buds 4 vs Shokz OpenSwim Pro
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  OnePlus Buds 4 |  Shokz OpenSwim Pro |
|---|---|---|
| Price | KSh 16,000.00 | KSh 24,500.00 |
| Drivers | 11mm woofer (30-layer ceramic-metal) + 6mm tweeter (flat diaphragm) per earbud | 8th-generation bone-conduction transducers |
| Connection | Bluetooth 5.4, LHDC 5.0 for Hi-Res, 47ms low latency, Google Fast Pair | Bluetooth and integrated MP3 player |
| Active Noise Cancellation | Adaptive ANC up to 55dB, real-time adjustment, Transparency Mode | No |
| Battery Life | Up to 11 hours per bud (ANC off, AAC)/9 hours (LHDC); Case: Up to 34 hours additional (ANC off) | Up to 9 hours Bluetooth / 6 hours MP3 |
| Water & Dust Resistance | IP55 (earbuds) | IP68; submersible to 2m fresh water |
| Weight | Earbud: 4.5g each; Case: 40g | 27.3g |
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Full specifications
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General
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Brand | OnePlus | Shokz |
| Model | Buds 4 | OpenSwim Pro |
| Announced | 2025 | June 2024 |
| Type | True Wireless In-Ear Earbuds | Open-Ear Bone-Conduction Headset |
| Color | Zen Green, Storm Gray | Official colorways vary by market and selected variant |
Design
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Weight | Earbud: 4.5g each; Case: 40g | 27.3g |
Battery & Charging
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Battery Life | Up to 11 hours per bud (ANC off, AAC)/9 hours (LHDC); Case: Up to 34 hours additional (ANC off) | Up to 9 hours Bluetooth / 6 hours MP3 |
| Charging Time | 10 minutes for 11 hours (ANC off); Full charge: 1 hour for earbuds, 2 hours for case | Approximately 1.5 hours |
| Charging Port | USB-C, 10 minutes for 11 hours (ANC off) | 4-pin magnetic charging/data cable |
| Fast Charging | — | 10 minutes provides up to 3 hours |
Connectivity
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Connection | Bluetooth 5.4, LHDC 5.0 for Hi-Res, 47ms low latency, Google Fast Pair | Bluetooth and integrated MP3 player |
| Bluetooth | 5.4 with dual-device connection | Bluetooth 5.4 |
| Multipoint Connection | — | Yes |
| App Support | — | Shokz app |
Features
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Special Features | Dual DACs; Hi-Res Audio; Golden Sound personalization | 32GB storage for more than 8,000 songs; underwater MP3 playback |
Audio
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Drivers | 11mm woofer (30-layer ceramic-metal) + 6mm tweeter (flat diaphragm) per earbud | 8th-generation bone-conduction transducers |
| Frequency Response | 20Hz – 40kHz (with LHDC) | — |
| Active Noise Cancellation | Adaptive ANC up to 55dB, real-time adjustment, Transparency Mode | No |
| Microphones | 3 per earbud (feed-forward, talk, feed-back) with AI clear calls | Built-in microphones |
| Audio Features | Dual DACs, Hi-Res Audio, OnePlus 3D Audio with head tracking, Golden Sound personalization, BassWave, Sound Master EQ | PremiumPitch 2.0+; Swimming EQ |
| Audio Codecs | — | MP3, FLAC, WAV, AAC, M4A, APE, WMA (MP3 mode) |
| Transparency / Ambient Mode | — | Open-ear situational awareness |
Charging Case
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Case Type | Charging case | N/A - no charging case |
| Case Battery Life | Included in the total battery-life figures above | N/A - no charging case |
| Case Charging | USB-C | N/A - no charging case |
| Case Charging Port | USB-C | N/A - no charging case |
| Case Weight | : 40g | N/A - no charging case |
| Case Features | Protective charging case | N/A - no charging case |
| Case Wireless Charging | — | N/A - no charging case |
| Case Dimensions | — | N/A - no charging case |
| Case Water & Dust Resistance | — | N/A - no charging case |
Design & Controls
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Controls | Touch: swipe for volume, taps for play/pause/track, long-press for ANC toggle | Physical multifunction and volume controls |
| Water & Dust Resistance | IP55 (earbuds) | IP68; submersible to 2m fresh water |
| Ear Tips / Ear Cushions | — | N/A - open-ear design |
What's in the Box
| Specification | OnePlus Buds 4 | Shokz OpenSwim Pro |
|---|---|---|
| Headphones / Earbuds | Buds 4 earbuds | OpenSwim Pro headphones |
| Charging Case | Charging case | N/A - no charging case |
| Charging Cable | USB-C charging cable | 4-pin magnetic charging/data cable cable |
| Audio Cable | N/A - true wireless design | N/A - wireless open-ear design |
| Ear Tips / Accessories | Ear tips/accessories supplied for the product design | Swimming earplugs and silicone carrying case |
| Documentation | Quick start and safety documentation | User guide and legal/warranty documentation |