CMF Buds 2 vs Shokz OpenSwim Pro
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  CMF Buds 2 |  Shokz OpenSwim Pro |
|---|---|---|
| Price | KSh 6,500.00 | KSh 24,500.00 |
| Drivers | 11mm PMI dynamic driver | 8th-generation bone-conduction transducers |
| Connection | Bluetooth 5.3 with Dual Device Connection | Bluetooth and integrated MP3 player |
| Active Noise Cancellation | Hybrid ANC up to 48dB | No |
| Battery Life | Up to 13.5 hours; up to 55 hours with charging case | Up to 9 hours Bluetooth / 6 hours MP3 |
| Water & Dust Resistance | IP55 earbuds | IP68; submersible to 2m fresh water |
| Weight | — | 27.3g |
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Full specifications
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General
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Brand | CMF | Shokz |
| Model | Buds 2 | OpenSwim Pro |
| Announced | 2025 | June 2024 |
| Type | True Wireless In-Ear Earbuds | Open-Ear Bone-Conduction Headset |
| Color | Dark Grey, Light Grey, Orange, Blue | Official colorways vary by market and selected variant |
Design
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Weight | — | 27.3g |
Battery & Charging
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Battery Life | Up to 13.5 hours; up to 55 hours with charging case | Up to 9 hours Bluetooth / 6 hours MP3 |
| Fast Charging | 10 minutes provides up to 7.5 hours | 10 minutes provides up to 3 hours |
| Charging Port | Fast Charging (10 mins = 1.8 hours listening) | 4-pin magnetic charging/data cable |
| Charging Time | — | Approximately 1.5 hours |
Connectivity
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Connection | Bluetooth 5.3 with Dual Device Connection | Bluetooth and integrated MP3 player |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.4 |
| App Support | Nothing X App with ChatGPT Integration | Shokz app |
| Multipoint Connection | — | Yes |
Features
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Special Features | Dual Connection, Low Lag Mode, Find My Earbuds | 32GB storage for more than 8,000 songs; underwater MP3 playback |
Audio
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Drivers | 11mm PMI dynamic driver | 8th-generation bone-conduction transducers |
| Audio Codecs | AAC, SBC | MP3, FLAC, WAV, AAC, M4A, APE, WMA (MP3 mode) |
| Active Noise Cancellation | Hybrid ANC up to 48dB | No |
| Microphones | 6 HD microphones with Clear Voice Technology 3.0 | Built-in microphones |
| Transparency / Ambient Mode | — | Open-ear situational awareness |
| Audio Features | — | PremiumPitch 2.0+; Swimming EQ |
Charging Case
| Specification | CMF Buds 2 | 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 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 Weight | — | N/A - no charging case |
| Case Water & Dust Resistance | — | N/A - no charging case |
Design & Controls
| Specification | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Controls | Touch controls for playback, calls and listening modes | 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 | CMF Buds 2 | Shokz OpenSwim Pro |
|---|---|---|
| Headphones / Earbuds | Buds 2 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 |
JBL Tune 215BT