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Bluetooth Speaker
  • Feature Icon 39 grams - lighter than a pack of gum
  • Feature Icon Hands-free music & calls
  • Feature Icon Secure, no-bounce attachment
  • Feature Icon More comfortable than earbuds
The Lightest,
Loudest, Longest-Lasting,
Wearable Bluetooth Speaker.

Ditch Your EarbudsThe Best Way to Listen

– More comfortable than earbuds
Control audio without touching your phone
Safely listen and hear your surroundings
Hands-free, crystal clear calls

Product Attributes

Additional Features

  • Up to 15 Hr Battery*

    Up to 15 Hr Battery*

    USB-C Rechargeable
    *Depends on use
  • Easy Controls

    Easy Controls

    Large tactile buttons make it easy to control your audio and answer calls
  • Safety & Comfort

    Safety & Comfort

    Does not bounce.
    Safely listen and hear your surroundings.
  • Premium Audio

    Premium Audio

    Powerful neodymium driver delivers rich sound & boosted bass

Easy Listening Elevate Your Everyday

Soundtrack Your Day

Music and calls wherever you go.

Instant Audio Control

Answer, skip, play, pause, and rewind – without touching your phone.

Crystal Clear Calls

Built-in mic eliminates background noise for your callers.

Jobsite Approved

Hands-free and durable – music and calls without bothering the whole crew. 39g, you’re hired!

15-Hour Battery

With great portability must come great battery life! Enough for a couple rounds or a shift at work. Fore!

* Average life of 15 hours. Range: 4 – 20 hours – depends on use.

Perfect Placement

Patented, built-in magnetic clip secures your 39g through shirts, jackets, hoodies, and more.
Looks Like Magic – Works Like A Charm

Clip Quickly

Opens with one hand to quickly clip to your collar, backpack or any place that clips go!

Room Filling Sound

Secure the 39g to any magnetic surface in the garage, at work or at home and fill the room with your favorite jams.

Tough as Nails

Built to withstand drops, scuffs, bangs and the occasional kick.

Waterproof (IPX7-rated)

The 39g loves the rain, sweat and might help you sound better singing in the shower.

Headphone Jack

Plug in for more privacy in the gym or on a plane.  The 3.5mm output also allows you to connect wired home speakers via Bluetooth to your phone. Rock on!

Designed for Premium Sound

Obsessively engineered to deliver strikingly rich audio and boosted bass.

As seen in:

Sound & StylePerfect For:

  • Cycling Icon


  • Around the House Icon

    Around the House

  • Runnin' Icon


  • Video Calls & Work Jams Icon

    Video Calls & Work Jams

  • Rinsing Off Icon

    Rinsing Off

  • Traveling Icon






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Estimated Delivery:

In stock


Get it as soon as tomorrow.

Buy On
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Technical Specs


  • Output power:
    4 W
  • Drivers:
    N52 Neodymium


  • Play time:
    Up to 15 hrs (depends on use)
  • Battery capacity:
    560 mAh
  • Time to full charge:
    2.8 hrs
  • Charge cable:
    USB-C (included)

Control & Connection:

  • Bluetooth® version:
  • Touch Controls:
    Call, Track, and Volume
  • Headphone Output:
    3.5mm audio plug


  • Waterproof:
    IPX7 rating

Additional Features:

  • Use as an intermediary to control non-Bluetooth home speakers from your phone
  • De-tether headphones from your phone with built-in headphone jack
  • Listen to music or take calls without needing access to your phone (Speakerphone w/ integrated mic)
  • Mechanical attachment clip
  • Slide-off magnetic attachment clip
  • Auto-power off

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