CMF Buds 2a vs boAt Immortal 121 True Wireless Earbuds
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General
| Brand | CMF | boAt |
| Model | Buds 2a | Immortal 121 |
| Design | TWS Earbuds | TWS Earbuds |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Dimensions | 54.7 x 23 x 54.7 mm | |
| Weight | 51.31 g (With Case), 4.28 g Per Earbud |
Features
| Bluetooth | Yes, 5.4 | Yes, 5.3 |
| Bluetooth Range | 10 m | 10 m |
| USB | Yes | Yes |
| Microphone | Yes, 4 mic, 2 per Earbud | Yes, Quad Mics |
| Voice Assistant | Yes | Yes |
| Water Resistant | Yes | Yes |
| Monaural | Yes | Yes |
| Controls | Touch | Touch Control |
| Music Controls | Play/Pause, Double Press: Skip Forward, Triple Press: Skip Back | Pause/Play |
| Call Controls | Answer/Hang up Calls, Double Press: Reject Calls | Accept/Rejects calls |
| Switch between Call and Music | Yes | Yes |
| Additional Features | IP54 Buds / IPX2 Case, Custom EQ, Low Lag Mode, Transparency Mode, Type-C Charging, Dual Connection, Microsoft Swift Pair, Google Fast Pair, Find earbuds | IPX4 Rated, 40ms Low Latency, Reset Feature, Blazing RGB LEDs, Type-C Charging |
Sound Features
| Deep Bass | Yes | Yes |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 20 kHz (Max) |
| Driver Unit | 12.4 mm | 10 mm |
| Driver Type | Dynamic (Biofiber + Custom TPU) | Dynamic |
| Noise Reduction | Clear Voice Technology and Wind Noise Reduction 2.0 | |
| Active Noise Cancellation | Yes | |
| Environmental Noise Cancellation | Yes, AI-ENC | Yes |
| Other Features | Spatial Audio Effect | boAt Signature Sound |
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, Additional Eartips, Charging Cable, User Manual, Warranty Card |
| Other | Earbuds Dimension: (32.5 x 20.3 x 24.3mm) | 10 min charge= 180 min playtime |
Power Features
| Battery Capacity | 460 mAh (Case), 43 mAh Per Earbud | 400 mAh (Case), 40 mAh Per Earbud |
| Battery | 10 min Charge= 5.5 hours of Playtime | |
| Battery Life | 35.5 hours with Case (ANC Off) 8 hours (Earbuds with ANC Off) 23 hours with Case (ANC On) 5 hours (Earbuds with ANC On) | 40 hours (With Case) 10 hours (Earbuds) |
| Charging Time | 1.48 hours (Case), 32 min (Earbuds) | 2 hours (Case) |
Warranty
| Warranty | 1 year, Manufacturer Warranty | 1 year, Warranty from the Date of Purchase |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Manufacturing Defects | Manufacturing Defects |
| Not Covered in Warranty | Physical Damage | Physical Damage |
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