Amazon.com: BoxWave Cable Compatible with Polar M400 (Cable by BoxWave) - DirectSync Cable, Durable Charge and Sync Cable for Polar M400 : Cell Phones & Accessories
Chargers and cables for sportwatches, heart rate monitors, fitness trackers, and cycling sensors | Polar Global
Amazon.com: for Polar M600 Replacement USB Charging Dock Cable, AWADUO USB Charger Charging Cables for Polar M600 SmartWatch : Cell Phones & Accessories
USB Charging Cable for Polar M430 Fitness Tracker for sale online | eBay
Polar Express” fiber optic cable 'Made in Murmansk'. | Polarjournal
Polar Instrument Cable MK1 - Loaded For Bear
Fast USB Charger Cable for Polar M430 Smart Watch 1M quick charge Cable Data Cord for Polar M430 GPS Advanced Running Watch|Smart Accessories| - AliExpress