Amazon.com: BoxWave Cable Compatible with Polar M400 - Micro USB DuraCable, Braided Micro USB Charging Cable for Polar M400 - Space Grey : Electronics
Amazon.com: HTC Micro USB Data Cable DC-M400 for HD2, Aria, Legend, Desire A8181, Wildfire, 4G Evo Supersonic and Droid Incredible - Non-Retail Packaging - Black : Cell Phones & Accessories
1 Meter 3.3ft Data Sync- Charging Cable For Polar M430 M400 Charger - Smart Accessories - AliExpress
Insignia™ 10' Micro USB Charge-and-Sync Cable Black NS-MCDT10 - Best Buy
HTC Micro USB Sync and Charge Data Cable - M400, M410 798561393203 | eBay
Sbode M400 Bluetooth speaker review: Fantastic features, but not much bass | TechHive
Gomadic Intelligent Compact Car / Auto DC Charger suitable for the Mio Moov M400 - 2A / 10W power
Polar M400 Charger Hot Sale, SAVE 58% - icarus.photos
Micro USB Keychain M400 Charger - The BoxWave Micro USB Keychain Charger. Never be without the charger you need. (Polycarbonate Cable)
Vuzix | Accessories
cellhelmet 3 ft. Round Charge and Sync USB-C to USB-C Cable CABLE-C-C-3-R-G - The Home Depot
Polar M400 with heart rate sensor review - The Gadgeteer
cellhelmet 3 ft. Round Charge and Sync USB-C to USB-C Cable CABLE-C-C-3-R-G - The Home Depot
Insignia™ 4' Micro USB 3.0 Charge-and-Sync Cable Black NS-MUSB3 - Best Buy