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
Charger Cradle Charging Line for polar M430 M400 Dock USB Charging Cable Dock Chargers| | - AliExpress
Conector carga micro USB genérico hembra de 5 pines y montaje vertical