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    CMF Ear (3) B173 Highlights

    • Up to 5.5 hours battery life
    • ANC active noise cancellation
    • IP54 dust and water resistance
    • 12 mm drivers
    • Bluetooth 5.4 wireless connection
    • 1.17 hours to recharge

    Compare CMF Ear (3) B173 with Similar Products

    Compare CMF Ear (3) B173 specs, features and price with similar headphones and alternatives.

    Compare CMF Ear (3) B173 with Similar Products
    Selected Item
    CMF Ear (3) B173KSh 21,500Add to cart
    Pixel Buds 2aKSh 21,500Add to cart
    Beats Powerbeats ProKSh 22,300Add to cart
    Marshall Motif II ANCKSh 23,000Add to cart

    General

    General specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    BrandNot specifiedGoogleBeatsMarshall
    ModelEar (3) (B173)Pixel Buds 2aPowerbeats Pro (original)Motif II A.N.C.
    Announced20252025April 20192023
    TypeTrue Wireless In-Ear EarbudsTrue Wireless In-Ear EarbudsTrue Wireless In-Ear EarbudsTrue Wireless In-Ear Earbuds
    ColorWhite, BlackFog, Berry, Iris, HazelNot specifiedBlack

    Design

    Design specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Weight5.2 g per earbud4.7g per earbud; 47.6g case with earbudsNot specified4.31g per earbud
    Dimensions30.5 × 21.5 × 20.75 mm per earbudEarbud 23.1 x 16.0 x 17.8mm; case 50.0 x 24.5 x 57.2mmNot specifiedNot specified

    Battery & Charging

    Battery & Charging specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Battery LifeUp to 5.5 hours with ANC; up to 38 hours total with charging case (ANC off)Up to 10 hours / 27 hours with case (ANC off); 7 hours / 20 hours with case (ANC on)Up to 9 hours per earbud6 hours / 30 hours with case (ANC on); 9 hours / 43 hours with case (ANC off)
    Charging Time70 minutes wired; 120 minutes wirelesslyNot specifiedNot specified1.5 hours earbuds and case
    Fast Charging5 minutes provides 1 hour on earbuds; 10 minutes provides 10 hours including case, ANC off5 minutes provides up to 1 hour with ANC5 minutes for up to 1.5 hours; 15 minutes for up to 4.5 hours playback15 minutes provides 1 hour
    Charging PortUSB-C (case)USB-C (case)Lightning on charging caseUSB-C (case)
    Wireless ChargingYes (case)NoNot specifiedYes (case)

    Connectivity

    Connectivity specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    ConnectionBluetoothBluetoothBluetooth wirelessBluetooth
    BluetoothBluetooth 5.4Bluetooth 5.4Not specifiedBluetooth 5.3 LE
    Bluetooth Range10 mNot specifiedNot specified10m
    Multipoint ConnectionYes, dual connectionNot specifiedNot specifiedYes
    App SupportNothing XGoogle Pixel Buds app on AndroidNot specifiedMarshall Bluetooth app

    Features

    Features specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Voice AssistantCharging-case Talk button activates voice assistantGemini and Google AssistantHands-free Hey Siri with compatible Apple devices; connected-device assistant via buttonNo dedicated voice command
    SensorsIn-ear detection; pinch sensorCapacitive touch, IR proximity and Hall sensorsOptical wear detection; speech and motion accelerometersIn-ear detection and touch sensors
    Special FeaturesSuper Mic in charging case; Hi-Res Wireless AudioGoogle Tensor A1; Clear Calling; Google Fast PairApple H1; either earbud independently usable; automaticplay/pauseBluetooth LE Audio-ready; Spotify Tap

    Audio

    Audio specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Drivers12mm dynamic driverCustom-designed 11mm dynamic driversNot specified6mm dynamic drivers
    Frequency Response20 Hz–40 kHzNot specifiedNot specified20Hz-20kHz
    Impedance32 ohmsNot specifiedNot specified16 ohms
    Audio CodecsAAC, SBC, LDACNot specifiedNot specifiedNot specified
    Active Noise CancellationUp to 45dB ANCActive Noise Cancellation with Silent Seal 1.5Not specifiedYes
    Transparency / Ambient ModeYesYesNot specifiedYes
    Spatial AudioStatic spatial audioNot specifiedNot specifiedNot specified
    MicrophonesSix MEMS microphones and two voice pickup units; Super Mic in caseTwo microphones per earbudDual beamforming microphones with speech-detecting accelerometersBuilt-in microphone and remote
    Audio Features24-bit Hi-Res Audio with LDACGoogle Tensor A1; active in-ear pressure relief; five-band EQNot specifiedMarshall signature sound; customizable EQ

    Charging Case

    Charging Case specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Case TypeCharging caseCharging caseCharging caseCharging case
    Case Battery LifeIncluded in the total battery-life figures aboveIncluded in total battery figures aboveMore than 24 hours combined listeningIncluded in total battery figures above
    Case ChargingUSB-CUSB-CLightning wired chargingUSB-C
    Case Charging PortUSB-CUSB-CLightningUSB-C
    Case Wireless ChargingYesNoNot specifiedYes
    Case Dimensions55.5 × 55.5 × 22.25 mm50.0 x 24.5 x 57.2mmNot specifiedNot specified
    Case Water & Dust ResistanceIP54Not specifiedNot specifiedNot specified
    Case FeaturesProtective charging caseProtective charging caseNot specifiedProtective charging case
    Case WeightNot specified47.6g with earbudsNot specifiedNot specified

    Design & Controls

    Design & Controls specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    ControlsPinch controls on earbuds; Talk and pairing buttons on caseCapacitive touch controlsVolume rocker and multifunction Beats button on each earbudTouch controls
    Water & Dust ResistanceIP54 earbudsIP54 earbuds; IPX4 caseNot specifiedIPX5 earbuds; IPX4 case
    Ear Tips / Ear CushionsThree pairs of ear tipsSilicone ear tips, XS/S/M/LFour ear-tip sizes; adjustable ear hooksSilicone ear tips, S/M/L

    What's in the Box

    What's in the Box specifications comparison
    SpecificationCMF Ear (3) B173Pixel Buds 2aBeats Powerbeats ProMarshall Motif II ANC
    Headphones / EarbudsEar (3) (B173) earbudsPixel Buds 2a earbudsPowerbeats Pro earbudsMotif II A.N.C. earbuds
    Charging CaseCharging caseCharging caseCharging caseCharging case
    Charging CableUSB-C to USB-C cableNot includedNot specifiedUSB-C charging cable
    Audio CableTrue wireless designTrue wireless designNot specifiedTrue wireless design
    Ear Tips / AccessoriesEar tips/accessories supplied for the product designSilicone ear tips, XS/S/M/LFour ear-tip sizesSilicone ear tips, S/M/L
    DocumentationQuick start and safety documentationQuick start guide and safety documentationNot specifiedQuick start guide and safety documentation

    Specs

    CMF Ear (3) B173 specifications

    General

    CMF Ear (3) B173 — General
    BrandNothing
    ModelEar (3) (B173)
    Announced2025
    TypeTrue Wireless In-Ear Earbuds
    ColorWhite, Black

    Battery & Charging

    CMF Ear (3) B173 — Battery & Charging
    Battery LifeUp to 5.5 hours with ANC; up to 38 hours total with charging case (ANC off)
    Charging Time70 minutes wired; 120 minutes wirelessly
    Fast Charging5 minutes provides 1 hour on earbuds; 10 minutes provides 10 hours including case, ANC off
    Charging PortUSB-C (case)
    Wireless ChargingYes (case)

    Connectivity

    CMF Ear (3) B173 — Connectivity
    ConnectionBluetooth
    BluetoothBluetooth 5.4
    Bluetooth Range10 m
    Multipoint ConnectionYes, dual connection
    App SupportNothing X

    Features

    CMF Ear (3) B173 — Features
    Voice AssistantCharging-case Talk button activates voice assistant
    SensorsIn-ear detection; pinch sensor
    Special FeaturesSuper Mic in charging case; Hi-Res Wireless Audio

    Audio

    CMF Ear (3) B173 — Audio
    Drivers12mm dynamic driver
    Frequency Response20 Hz–40 kHz
    Impedance32 ohms
    Audio CodecsAAC, SBC, LDAC
    Active Noise CancellationUp to 45dB ANC
    Transparency / Ambient ModeYes
    Spatial AudioStatic spatial audio
    MicrophonesSix MEMS microphones and two voice pickup units; Super Mic in case
    Audio Features24-bit Hi-Res Audio with LDAC

    Charging Case

    CMF Ear (3) B173 — Charging Case
    Case TypeCharging case
    Case Battery LifeIncluded in the total battery-life figures above
    Case ChargingUSB-C
    Case Charging PortUSB-C
    Case Wireless ChargingYes
    Case Dimensions55.5 × 55.5 × 22.25 mm
    Case Water & Dust ResistanceIP54
    Case FeaturesProtective charging case

    Design & Controls

    CMF Ear (3) B173 — Design & Controls
    ControlsPinch controls on earbuds; Talk and pairing buttons on case
    Water & Dust ResistanceIP54 earbuds
    Weight5.2 g per earbud
    Dimensions30.5 × 21.5 × 20.75 mm per earbud
    Ear Tips / Ear CushionsThree pairs of ear tips

    What's in the Box

    CMF Ear (3) B173 — What's in the Box
    Headphones / EarbudsEar (3) (B173) earbuds
    Charging CaseCharging case
    Charging CableUSB-C to USB-C cable
    Ear Tips / AccessoriesEar tips/accessories supplied for the product design
    DocumentationQuick start and safety documentation

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