
Wearable
LEEK Pulse Pro
The full sensor package and 30 days of battery life – for people who would rather not take the band off.
Learn moreLEEK Pulse ProDeveloped in Germany · Manufactured with partners worldwide
We build fitness and sleep trackers with their own app – and custom software for companies that want to keep their hardware in their own hands.
What sets us apart
You get more than a device – you get the system behind it, from firmware to a named contact long after production starts.
Every device ships with an app that carries your name – on the Play Store, maintained and updated by us.
Sensors, boards and housings are built to our specifications by partners we select on the basis of test samples.
App, web portal or data platform: we build the software that fits your hardware and your processes.
App and firmware are built in Bad Arolsen, manufacturing happens with partners worldwide. CE, RoHS and radio approval are part of the project, not an extra.
Products
One device, one app, 30 days of battery life – and health data that stays on the band until you collect it.

Wearable
The full sensor package and 30 days of battery life – for people who would rather not take the band off.
Learn moreLEEK Pulse ProServices
You arrive with an idea, a specification or an existing product. We take on the part you are missing – or all of it.
Why Syrax
Many suppliers ship hardware, others write software. At Syrax both sit in the same hands – so when something goes wrong, nobody argues about whose fault it is.
The first production run starts in late 2026. Test devices and pre-orders are available on request.
Syrax Magazine
Training, sleep and recovery – clearly explained.
Next step
Tell us briefly what you have in mind. Within two working days you will have an assessment of feasibility, timeline and cost.