CMF Buds 2 vs Ubon J37 True Wireless Earbuds
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General
| Brand | CMF | Ubon |
| Model | Buds 2 | J37 |
| Design | TWS Earbuds | TWS Earbuds |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Dimensions | 53.3 x 23 x 53.3 mm | |
| Weight | 50.5 g (With Case), 4.5 g Per Earbud |
Features
| Bluetooth | Yes, 5.4 | Yes |
| Bluetooth Range | 10 m | |
| USB | Yes | Yes |
| Microphone | Yes, 6 HD mic, 3 per Earbud | Yes |
| Voice Assistant | Yes | Yes |
| Water Resistant | Yes | Yes |
| Monaural | Yes | |
| Controls | Touch | Touch Sensor |
| Music Controls | Play/Pause, Double Press: Skip Forward, Triple Press: Skip Back | |
| Call Controls | Answer/Hang up Calls, Double Press: Reject Calls | |
| Switch between Call and Music | Yes | Yes |
| Additional Features | IP55 Buds / IPX2 Case, Custom EQ, Low Lag Mode, Transparency Mode, Type-C Charging, Dual Connection, ChatGPT Integration, Microsoft Swift Pair, Google Fast Pair, In-ear detection, Find my earbuds, App Controlled | IPX4 Rated, Type-C Charging, Auto Pairing, Low Latency |
Sound Features
| Deep Bass | Yes | Yes |
| Impedance | 32 ohm | |
| Sensitivity | 90 dBmW | |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 21 kHz (Max) |
| Driver Unit | 11 mm | |
| Driver Type | Custom PMI Driver with Dirac Opteo Support | Dynamic |
| Noise Reduction | Wind Noise Reduction 3.0 | Active Noise Reduction |
| Active Noise Cancellation | Yes, 48dB- Hybrid ANC with Environmental Adaptive Technology | |
| Other Features | Spatial Audio Effect |
Extra
| Sales Package | Pair of Earbuds x 1, Charging case × 1, Ear tips in size (S, M, L), Safety information and warranty information × 1, User Guide × 1 | 1 Pair of Earbuds, Charging Case, Charging Cable, User Manual |
| Other | Earbuds Dimension: (33.4 x 20.6 x 22.8 mm) |
Power Features
| Battery Capacity | 460 mAh (Case), 53 mAh Per Earbud | |
| Battery | 10 min Charge= 7.5 hours of Playtime | |
| Battery Life | 55 hours with Case (ANC Off) 13.5 hours (Earbuds with ANC Off) 32 hours with Case (ANC On) 7.5 hours (Earbuds with ANC On) | 45 hours (With Case) |
| Charging Time | 1.55 hours (Case), 31 min (Earbuds) | 1 hour (Case) |
| Stand-by Time | 450 hours |
Warranty
| Warranty | 1 year, Manufacturer Warranty | 1 year |
| Warranty Type | Manufacturer | Repair / Replacement |
| Covered in Warranty | Manufacturing Defects | Manufacturing Defect |
| Not Covered in Warranty | Physical Damage | Physical Damage |
Discuss
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