Make music practice addictive and reach your musical goals.

Vibrating metronome

Silence the click. Feel the beat.

Practice tracker

Track your progress. Fuel your motivation.

Chromatic tuner

Tune with precision.Always sound great.

Decibel meter

Know your volume.Protect your ears.


Just a practice tool.Or your daily watch.

Critically acclaimed

Trusted by artists & music teachers

Rated by real people

Hours of practice improved

Best in Show

The best vibrating metronome for musicians

Core 2 in 66 Seconds

Core 2 full unboxing & review

Designed for all musicians

Used by 673,000 musicians last month

Vibrating metronome

Wear it anywhere. Feel the beat better.

With the included straps, feel the beat on your wrist, arm, ankle, thigh, shoulder & chest.


Unboxing the Core
Video - Unboxing the Core
Never miss a beat
Video - Never miss a beat
Review: cool gear alert
Video - Review: cool gear alert
A day in Seoul
Video - A day in Seoul
Unboxing and first impressions
Video - Unboxing and first impressions
Honest review of the Core
Video - Honest review of the Core
Review by Hannah
Video - Review by Hannah

Tech specs

Soundbrenner Core Blueprint
45.5mm / 1.7 in
34g / 1.2 oz (Core), 68g / 2.4 oz (Core Steel)
Case material
Polycarbonate (Core), Stainless steel (Core Steel)
Wheel material
Aluminium (Core), Stainless steel (Core Steel)
Glass material
Tempered mineral glass
Strap size
Fits wrists with 140mm - 210mm / 5.5 in - 8.3 in
Water resistance
Splash resistant (IP65), protected from rain and water splashes (but no showering!)
4+ days in watch mode, or 3+ hours of metronome playback (200 mAh lithium-ion battery)
2x Monochrome OLED, 0.68 in, 96x32px
G-sensor for raise to wake function
1 RGB LED in center, 8 RGB LEDs in outer ring
Capacitive touch
Supported languages
English, German, Spanish, French, Italian, Chinese (simplified), Chinese (traditional), Korean, Japanese
  • Vibrating metronome
    Vibration motor
    ERM haptic motor, 7G amplitude
    BPM range
    20 - 400 BPM
    Rhythm options
    Adjust the time signature or subdivision and set accents on beats
    Customization options
    Adjust the LED light colors or vibrations and add sounds via your mobile device
    Wearing positions
    Wrist, arm, ankle, thigh, chest & shoulder (body strap included)
    Control options
    Use standalone or with companion mobile app
    Multi-player sync
    Up to 5 Core or Pulse with one mobile device, sync multiple mobile devices over WiFi with Ableton Link
    Tap tempo
  • Practice tracker
    Session goals
    Set time-based targets for each practice session
    Tag each session with the instrument you used
    Activity breakdown
    Detailed practice insights available with companion mobile app
    Supports daily & weekly goals with current streak shown on watch face
    Time cropping
    Adjust session duration post-practice for accurate time tracking
    View practice statistics on lock and home screen widgets (iOS only)
    Data sync
    Active practice sessions, along with historical data, are synced between wearable & mobile app
  • Chromatic tuner
    Microphone tuner
    Contact tuner
    (unlocked with purchase of magnetic clip or magnetic mounts)
    MEMS microphone & piezo contact microphone MEMS microphone
    Supported instruments
    Microphone tuner: universal compatibility. Contact tuner: guitar, bass guitar, ukulele & violin Universal compatibility
    Frequency range
    25.6 Hz - 416 Hz
    Tuning reference
    410 Hz - 480 Hz
    ┬▒1 cent
    LED guided tuning
  • Decibel meter
    MEMS microphone
    Measuring range
    70 - 110 dB
    Frequency weighting
    dB steps
    ┬▒1 dB
    Real-time dB
    ┬▒1 cent
    Average dB
    Volume alarm
  • Smartwatch
    Bluetooth 5.0
    Smartphone music remote
    iOS & Android
    Smartphone notifications
    iOS & Android
    Accept & decline phone calls
    iOS & Android
    Calendar notifications
    iOS & Android
    App dock
    Rearrange and remove apps
    Raise to wake display
    Timer app
    Alarm app
    Stopwatch app

Compare wearables

Vibrating metronome
Practice tracker
Microphone tuner
Contact tuner
Decibel meter
Smartphone music remote
Smartphone notifications
Silicone strap
Body strap
Italian leather strap
Carrying pouch



From  $119.00 USD

Buy now
50mm / 1.9 in
Available separately
Available separately


No longer available
Aluminium &
45.5mm / 1.7 in
Available separately
Available separately

Core 2

Core 2

From  $229.00 USD

Buy now
Aluminium &
45.5mm / 1.7 in
Available separately
Available separately

Core Steel 2

Core 2 Steel

From  $329.00 USD

Buy now
Stainless steel
45.5mm / 1.7 in