ReadyWired USB Charging Cable Cord for Polar A360, M400 Fitness Tracker - Walmart.com
Amazon.com: BoxWave Cable Compatible with Polar M400 (Cable by BoxWave) - Micro USB DuraCable, Braided Micro USB Charging Cable for Polar M400 - Space Grey : Electronics
Amazon.com: KIssmart Compatible with Polar M430 Charger, Replacement Charging Cable for Polar M430 Smart Watch : Cell Phones & Accessories
USB Charging Cable M400 Charger Compatible with Polar M400, M450, A360, A370, V700 Sports Watch USB Charger Cord - Newegg.com
POLAR M400 | konektor USB, POLAR M400 | POLAR Servis