With waveform

Create unique soundwave jewelry and keychains that capture a voice, a message, or a special sound.

SOUNDWAVE ENGRAVED NECKLACES
SOUNDWAVE ENGRAVED BRACELETS	SOUNDWAVE ENGRAVED EARRINGS
SOUNDWAVE ENGRAVED RINGS	SOUNDWAVE ENGRAVED KEYCHAINS

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Personal soundwave keychain made of brass + QRcode engraved

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Silver gold plated handcuff...

€65.00 -10% €58.50

-10%

Silver rose gold plated bangle bracelet with soundwave + QRcode engraved on the other side

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Silver platinum plated cuff...

€65.00 -10% €58.50

-10%

Silver gold plated soundwave bracelet and QRcode on chain end

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Silver gold plated bracelet...

€49.00 -10% €44.10

-10%

Silver rose gold plated soundwave bracelet and QRcode on chain end

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Soundwave Jewelry & Keychains

Soundwave jewelry and keychains represent the most modern, original, and deeply touching trend in personalized gifts. Every voice, laugh, heartbeat, or favorite melody creates its own unique visual pattern. At MY KOSMIMA, we transform this audio graph into a permanent, high-precision laser engraving on recycled 925 Sterling Silver or durable stainless steel, creating custom jewelry of invaluable emotional value.

What You Will Find in Our Collection

Discover unique custom designs that give physical shape to life's most meaningful sounds:

Soundwave Necklaces & Pendants: Elegant silver pendants featuring the voice wave of a partner, child, or loved one.
Soundwave Bracelets: Modern bracelets engraved with the sound wave pattern of a voice recording or a heartfelt "I love you" for daily wear.
Voice Recorded Keychains: A practical and unique gift for men and women that keeps a audio message always close by.
Baby Ultrasound Heartbeat & First Cry: Capture the very first sound of your baby's life into a lasting keepsake.
Double-Sided Engraving (Soundwave & QR Code / Text): Option to engrave the soundwave on the front and a playable QR Code, name, or date on the back.

Premium Craftsmanship & Sustainable Materials

At MY KOSMIMA, we use certified recycled 925 Sterling Silver and hypoallergenic stainless steel. Our platings in 24K Gold, Rose Gold, or Platinum highlight the fine details of the soundwave pattern, delivering a premium, long-lasting finish.

Listen to Your Jewelry with Engraved QR Codes

Make your custom gift interactive by adding an optional QR Code on the back of the piece. Scanning the code with a smartphone camera instantly plays the actual voice recording or song corresponding to the soundwave on the front!

How to Record & Send Your Audio Message

Creating your custom soundwave jewelry is simple and straightforward:

Record on Your Phone: Use your phone's voice recorder app (Voice Memos) to record a short phrase, an "I love you", a name, or laughter.
Choose a Song or Video Audio: You can also send us a clip of a favorite song or the audio track from an ultrasound video.
Upload Your File: Upload the audio file (m4a, mp3, wav, etc.) in the personalization field during checkout.

Note: Our design team isolates the sound, generates the precise waveform diagram, and optimizes it digitally for flawless laser engraving on metal.

Frequently Asked Questions About Soundwave Jewelry (FAQ)

How is sound converted into jewelry?

Every sound generates a unique visual waveform (Soundwave). We translate your audio recording into a digital vector graphic and laser-engrave it with high precision onto the metal surface.

How does the QR Code on the back work?

We engrave a functional QR code linked to your audio recording or a song on Spotify/YouTube. Whenever someone scans the code with their smartphone, the voice message or song plays immediately!

What occasions is soundwave jewelry ideal for?

It makes a perfect anniversary gift (e.g., using wedding vows), Valentine's Day gift, new mom/dad gift using a baby's heartbeat, or a sentimental keepsake featuring a loved one's voice.

How long does production take?

Because each piece is custom designed individually from your audio file, production in our workshop takes 1 to 3 business days before shipping.

Give a Gift That Truly Speaks to the Heart

Choose your favorite design, upload your audio message, and create a unique piece of jewelry that keeps your voice and emotions alive forever!

With waveform

Brass keychain with...

Silver 925 keychain with...

Silver gold plated handcuff...

Silver rose gold plated...

Silver platinum plated cuff...

Silver gold plated bracelet...

Silver rose gold plated...

Silver platinum plated...

Soundwave Jewelry & Keychains

What You Will Find in Our Collection

Premium Craftsmanship & Sustainable Materials

Listen to Your Jewelry with Engraved QR Codes

How to Record & Send Your Audio Message

Frequently Asked Questions About Soundwave Jewelry (FAQ)

How is sound converted into jewelry?

How does the QR Code on the back work?

What occasions is soundwave jewelry ideal for?

How long does production take?

Give a Gift That Truly Speaks to the Heart

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