Compare TWS Earbuds Side-by-Side
CMF Buds 2a Shokz OpenFit 2
In-Depth Comparison
CMF Buds 2a are designed for a superior audio experience, featuring professionally tuned Dirac HD Audio for rich, detailed sound. Inside, a large 12.4mm dynamic driver delivers crisp, deep bass without distortion. These earbuds use Hybrid Active Noise Cancellation to effectively quiet your surroundings. For phone calls, a 4-microphone system with advanced wind reduction technology ensures your voice is always heard clearly, even on breezy days. They connect with the latest Bluetooth 5.4 and offer a long total playtime of 35.5 hours with the charging case, making them a reliable choice for daily listening. OpenFit 2 AI Translations Earbuds now available to elevate your audio experience. These lightweight, sleek earbuds weigh just 9.4 grams each and feature a secure ear hook design for all-day comfort. With a powerful 16mm driver and OpenBass 2.0 technology, enjoy crystal-clear vocals and deep bass, perfect for music lovers and gamers alike. Boasting an impressive 11-hour battery life per charge and a total of 48 hours with the case, plus fast charging—just 10 minutes for 2 hours of play—they keep you connected longer. Seamlessly switch between devices with Bluetooth 5.4, and enjoy clear calls with dual noise-cancelling microphones. Bonus perks include a 3-month game pass and pre-installed EQ modes for personalized sound. In this comparison, we look at specs, features, and price to help you compare which is better. Let’s see key highlights below.
Quick Comparison (Top 5 Features)
| Key Feature | CMF Buds 2a | Shokz OpenFit 2 |
|---|---|---|
| Battery Life | 8 Hours | 11 hours (earbuds), 48 hours (charging case) |
| Water Rating | IP54 Waterproof | IP55 Water-Resistant |
| Bluetooth Version | 5.4 | 5.4 |
| Latency | - | - |
| Noise Cancellation | Active Noise Cancellation up to 42dB | None |
Psadhi J500 Plus AI
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|---|---|---|
| Overview | ||
| Bluetooth Version | ||
| 5.4 | 5.4 | - |
| ANC Specs | ||
| 42dB Hybrid Active Noise Cancellation | None | - |
| Gaming Mode | ||
| Low Latency Mode activated through the Nothing X app | Not specified | - |
| Battery Life | ||
| 8 Hours | 11 hours (earbuds), 48 hours (charging case) | - |
| Other Connectivity Details | ||
| Wireless, Bluetooth range 10 meters | Supports Multi-Point Pairing, Bluetooth Range: 33 feet | - |
| Fast Charging | ||
| Yes, 10 minutes delivers 5.5 hours of ANC-free playback | Supports 10-minute charge for 2 hours of playback | - |
| Water Rating | ||
| IP54 Waterproof | IP55 Water-Resistant | - |
| Audio | ||
| Driver Type | ||
| Dynamic Driver | 16mm Dynamic Driver with OpenBass 2.0 technology | - |
| Audio Codec | ||
| AAC, SBC, aptX Adaptive | SBC, AAC, aptX (if supported, internal knowledge suggests aptX support for high-quality audio) | - |
| Signature Sound | ||
| Studio-grade sound with thundering bass, Dirac sound tuning, Ultra Bass Technology 2.0 | Crystal-clear mids and highs with deep, rich bass via DualBoost composite drivers and OpenBass 2.0 | - |
| Noise Cancellation | ||
| Active Noise Cancellation up to 42dB | None | - |
| Other Audio Features | ||
| Sound adapts to environment, Transparency Mode | Groundbreaking audio experience with dual noise-cancelling microphones for calls | - |
| Battery | ||
| Total Playback with Charging Case | ||
| 35.5 Hours | 48 hours | - |
| Single Earbud Playback | ||
| 8 Hours | 11 hours | - |
| Charging Time (Earbuds) | ||
| Approximately 1.5 Hours | Approximately 1 hour | - |
| Charging Time (Case) | ||
| 89 Minutes | Approximately 1 hour | - |
| Battery Capacity Details | ||
| Charging case capacity 460 mAh | Earbuds: Lithium Polymer batteries, Capacity not specified; Charging case: 53 grams, PC material, exact capacity not specified | - |
| Connectivity | ||
| Multi-Point Connectivity | ||
| Supported, allows connection to two devices simultaneously | Supported (seamless switching between two devices) | - |
| Fast Pair | ||
| Supported via Google Fast Pair | Supported via Bluetooth 5.4 | - |
| Compatible Devices | ||
| Cellphones, Laptops, Tablets, Smart TVs | Android, Mac, PC, Watch, iPhone | - |
| NFC Pairing | ||
| Supported for quick pairing | Not specified | - |
| Charging | ||
| Charging Type | ||
| Wireless charging compatible, wired charging via included case | USB-C | - |
| Battery Indicator | ||
| LED indicators on case and earbuds | Supported (via app and device notifications) | - |
| Quick Charging | ||
| Yes, 10 minutes for 5.5 hours ANC-free playback | Yes, 10 minutes for 2 hours of playback | - |
| Wireless Charging | ||
| Yes | Not supported | - |
| Calling | ||
| Mics(Microphones) | ||
| 4 Microphones with Clear Voice Technology and Wind Noise Reduction 2.0 | Dual noise-cancelling microphones for clear calls | - |
| Other Calling Features | ||
| Studio-grade clarity, noise reduction, echo cancellation | AI-powered call clarity, touch controls for call management | - |
| Special Features | ||
| Touch Controls | ||
| Yes | Yes, with physical buttons added in OpenFit 2 | - |
| In-Ear Detection | ||
| Auto pause/play when earbuds are inserted or removed | Not specified | - |
| Voice Assistant | ||
| Access via Nothing X app, supports ChatGPT | Supported via app customization | - |
| Case Design | ||
| Compact, ergonomic, lanyard-ready case | Compact, portable carrying bag included | - |
| Ear Hook Design | ||
| No, in-ear style with secure fit | Secure, ergonomic hook shape for all-day comfort | - |
| Build & Design | ||
| Form Factor | ||
| Bud | Open-ear, in-ear with ear hook | - |
| Headphone Type | ||
| In-Ear | Wireless in-ear with ear hook | - |
| Color Options | ||
| Dark Grey, Black, White | Black (as specified), other colors not listed | - |
| Material | ||
| Plastic with matte finish | Plastic, Silicone, Ni-Ti alloy for ear hooks | - |
| Weight | ||
| 3.21 ounces (91 grams) | 9.4 grams per earbud | - |
| Noise Cancellation | ||
| Active Noise Cancellation(ANC) | ||
| Yes, 42dB Hybrid ANC | None | - |
| Noise Cancellation Modes | ||
| Hybrid ANC, Transparency Mode | Not applicable | - |
| Transparency Mode | ||
| Yes | Not specified | - |
| More Features | ||
| Other Features | ||
| Waterproof IP54, Ergonomic design, Lanyard-ready case | Find My Earbuds via app, customizable controls, EQ modes, firmware updates | - |
| App Support | ||
| Yes, Nothing X app | Yes, Shokz App for customization and firmware updates | - |
| Voice Prompts | ||
| Yes, for pairing, battery status, and mode changes | Supported (via app and device notifications) | - |
| Frequency | ||
| 20Hz - 20,000Hz | 2402 MHz (Bluetooth frequency), 16mm driver frequency response not specified but designed for detailed audio | - |
| Transmission Range | ||
| 10 meters | 33 feet (Bluetooth range) | - |
| Smart Features | ||
| Sleep Mode | ||
| Auto power-off after inactivity, low power mode | Not specified | - |
| Health Monitoring | ||
| Not supported | Not specified | - |
| Find My Earbuds | ||
| Supported via Nothing X app | Supported via app | - |
| Customization Options | ||
| EQ Customization | ||
| Yes, via Nothing X app | Yes, four preset modes plus custom EQ via app | - |
| Ear Tip Sizes | ||
| S, M, L | Not specified, but likely standard sizes included | - |
| Firmware Updates | ||
| Supported via app | Supported via Shokz App | - |
| Customizable Controls | ||
| Yes, via app | Yes, physical button actions can be customized | - |
| Controls | ||
| Button Controls | ||
| Tap gestures for play/pause, skip, previous, call answer/end | Yes, physical buttons for volume, track, call management | - |
| Voice Assistant Control | ||
| Yes, via app | Supported via app | - |
| Music Controls | ||
| Touch controls for play/pause, track skip, volume | Play/Pause, skip, volume adjustment | - |
| Touch Sensitivity | ||
| Adjustable via app | Supported, with physical buttons added in OpenFit 2 | - |
| Customizable Controls | ||
| Yes, via app | Yes, via Shokz App | - |
| Box Contents | ||
| Earbuds | ||
| CMF Buds 2a Wireless Earbuds | OpenFit 2 Earbuds (pair) | - |
| Charging Case | ||
| Yes | OpenFit 2 Charging Case | - |
| USB Cable Type-C | ||
| Included | Yes | - |
| User Manual | ||
| Included | Included | - |
| Warranty Card | ||
| Included | Included | - |
| Extra Earmuffs | ||
| Ear tips in size S, M, L | Not specified (likely not included, as design uses ear hooks) | - |
| Launch Date | ||
| Release Date | ||
| March 27, 2025 | November 21, 2024 | - |
| Status | ||
| In Stock | Available | - |
| Warranty | ||
| Product Warranty | ||
| Included (1-year limited warranty, terms vary by region) | Standard manufacturer warranty (details not specified) | - |
Which is Better: CMF Buds 2a or Shokz OpenFit 2?
Based on the comparison, here are the benefits of CMF Buds 2a and Shokz OpenFit 2 provided by nkbgaming.com/earbuds.
Pros of Shokz OpenFit 2:
- Offers better Water Rating (IP55 Water-Resistant vs IP54 Waterproof) (A higher IPX rating means better water resistance, providing more protection against splashes and sweat.)
CMF Buds 2a
Compare CMF Buds 2a with:
Shokz OpenFit 2
Compare Shokz OpenFit 2 with:
