Marlin-P Tempo trainer digital swimming assistant

Marlin is your perfect swimming companion

Marlin provides real-time audio feedback to you as you swim. This multi-purpose swimming companion combines the latest in Motion Sensor, Voice and GPS technology to deliver information to you without disrupting your swimming pace.

Marlin allows you to monitor your swimming performance in open water and in the pool, with modes for freestyle swim tracking, set-course trainings or races.

Marlin talks to you, so you don’t have to stop swimming in order to know all you need. Using bone conduction technology, Marlin’s voice is always super-crisp in your ear, even under water. When used in open water settings, Marlin will report your average pace and stroke rate, as well as the time and distance you swam. In a pool setting, the device will additionally notify you about your lap times.

GPS technology also enables Marlin to use voice feedback to guide you while you swim. The Marlin mobile App is used to pre-set waypoints and destination of your swim – making sure you never wander off or get lost in the water.


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SKU: Marlin-P Categories: , , ,


The award winning Marlin-P Swim meter from Platysens and assistant that’s designed to talk to you. Whether you’re tired of glancing up at the pool’s clock, or looking for a convenient way to gauge your performance and keep track of your location during an open water swim, Marlin is your new best friend.

Marlin uses the latest in Motion Sensor, Voice technologies to provide instantaneous, relevant information about your position and performance, right to your ears!

Key Features

Natural User Interface – Marlin communicates with you by a voice interface, using the latest in bone conduction audio technology. This allows you to access information without interruption that would affect your performance.

Tempo trainer hear as you swim with the bond conduction speaker

Session Trainer – Use Bluetooth synchronization to easily configure custom training presets, and Marlin will monitor and notify you about your training performance.

Technical Specifications

  • Consists of Main Unit, Bone Conduction Unit and Charging Cable
  • Main Unit (61.5mm x 39mm x 18.5mm)
  • IPX8 (1.5m 30 minutes)
  • Battery Life (5 hours Open Water Mode or 10 hours Pool Mode)
  • Bluetooth® Low Energy

Marlin mobile App specifications

The Marlin App is available on iOS and Android and is free for download. Users of the Marlin App can:

  • Download data from Marlin through Bluetooth®
  • Configure all settings on Marlin
  • Review previous workout summaries
  • Configure session trainer programs and download to device
  • Connect to leading sports platforms including Strava, Endomondo,, SportTracks, Training Peaks

This is the Marlin-P version with no GPS.



Additional information


English, Cantonese


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