Amazon.com: BoxWave Cable Compatible with Polar M400 (Cable by BoxWave) - DirectSync Cable, Durable Charge and Sync Cable for Polar M400 : Cell Phones & Accessories
Amazon.com: BoxWave Cable Compatible with Polar M400 (Cable by BoxWave) - DirectSync Cable, Durable Charge and Sync Cable for Polar M400 : Cell Phones & Accessories
Amazon.com: Weinisite Watch Band for Polar M400/Polar M430 Watch Band,Replacement Soft Silicone Band For M400/Polar M430 Sport Watch (Black) : Cell Phones & Accessories
Amazon.com: RuenTech Bands Compatible for Polar M400 watch Strap Replacement Soft Silicone Wristband Sports Band Compatible with Polar M400 and M430 Smart Sports Watch-White,M(5.5''-8.0'') : Electronics
Amazon.com: Meiruo Silicone Sport Band Watch Band Watch Strap Replacement Band for Polar M400/ Polar M430 (Black) : Electronics
Amazon.com: Weinisite Watch Band for Polar M400/Polar M430 Watch Band,Replacement Soft Silicone Band For M400/Polar M430 Sport Watch (Black) : Cell Phones & Accessories
Amazon.com: BoxWave Cable Compatible with Polar M400 - Micro USB Keychain Charger, Key Ring Micro USB Cable - Jet Black : Electronics
Best Buy: Polar M400 GPS Watch with Heart Rate Black 90051339