CMF Buds 2a vs CMF Buds 2

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General

BrandCMFCMF
ModelBuds 2aBuds 2
DesignTWS EarbudsTWS Earbuds
TypeIn the EarIn the Ear
ConnectivityWirelessWireless

Design and Body

Dimensions54.7 x 23 x 54.7 mm53.3 x 23 x 53.3 mm
Weight51.31 g (With Case), 4.28 g Per Earbud50.5 g (With Case), 4.5 g Per Earbud

Features

BluetoothYes, 5.4Yes, 5.4
Bluetooth Range10 m10 m
USBYesYes
MicrophoneYes, 4 mic, 2 per EarbudYes, 6 HD mic, 3 per Earbud
Voice AssistantYesYes
Water ResistantYesYes
MonauralYesYes
ControlsTouchTouch
Music ControlsPlay/Pause, Double Press: Skip Forward, Triple Press: Skip BackPlay/Pause, Double Press: Skip Forward, Triple Press: Skip Back
Call ControlsAnswer/Hang up Calls, Double Press: Reject CallsAnswer/Hang up Calls, Double Press: Reject Calls
Switch between Call and MusicYesYes
Additional FeaturesIP54 Buds / IPX2 Case, Custom EQ, Low Lag Mode, Transparency Mode, Type-C Charging, Dual Connection, Microsoft Swift Pair, Google Fast Pair, Find earbudsIP55 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

Sound Features

Deep BassYesYes
Frequency Response20 Hz (Min) - 20 kHz (Max)20 Hz (Min) - 20 kHz (Max)
Driver Unit12.4 mm11 mm
Driver TypeDynamic (Biofiber + Custom TPU)Custom PMI Driver with Dirac Opteo Support
Noise ReductionClear Voice Technology and Wind Noise Reduction 2.0Wind Noise Reduction 3.0
Active Noise CancellationYesYes, 48dB- Hybrid ANC with Environmental Adaptive Technology
Environmental Noise CancellationYes, AI-ENC
Other FeaturesSpatial Audio EffectSpatial Audio Effect

Extra

Sales PackagePair of Earbuds x 1, Charging case × 1, Ear tips in size (S, M, L), Safety information and warranty information × 1, User Guide × 1Pair of Earbuds x 1, Charging case × 1, Ear tips in size (S, M, L), Safety information and warranty information × 1, User Guide × 1
OtherEarbuds Dimension: (32.5 x 20.3 x 24.3mm)Earbuds Dimension: (33.4 x 20.6 x 22.8 mm)

Power Features

Battery Capacity460 mAh (Case), 43 mAh Per Earbud460 mAh (Case), 53 mAh Per Earbud
Battery10 min Charge= 5.5 hours of Playtime10 min Charge= 7.5 hours of Playtime
Battery Life35.5 hours with Case (ANC Off)
8 hours (Earbuds with ANC Off)
23 hours with Case (ANC On)
5 hours (Earbuds with ANC On)
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)
Charging Time1.48 hours (Case), 32 min (Earbuds)1.55 hours (Case), 31 min (Earbuds)

Warranty

Warranty1 year, Manufacturer Warranty1 year, Manufacturer Warranty
Warranty TypeManufacturerManufacturer
Covered in WarrantyManufacturing DefectsManufacturing Defects
Not Covered in WarrantyPhysical DamagePhysical Damage

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