Ripcord USB to 6V DC power cable compatible with the Omron M400, HEM-7134-D Blood Pressure Monitor
ReadyWired USB Charging Cable Cord for Polar A360, M400 Fitness Tracker - Walmart.com
For Polar M400, M450, A360, A370, V700 Sports Watch USB Data/Charger Cable - Walmart.com
Lexar® JumpDrive® M400 USB 3.0 Flash Drive - YouTube
Amazon.com: BoxWave Cable Compatible with Polar M400 (Cable by BoxWave) - Micro USB Keychain Charger, Key Ring Micro USB Cable for Polar M400 - Jet Black : Electronics
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: HTC Original OEM Micro USB Data Cable Dc-M400 for HD2, Aria, Legend, Desire A8181 and Wildfire - Non-Retail Packaging - Black : Cell Phones & Accessories
Polar M400 Fitness Tracker Heart Rate USB Cable Transfer Cord Replacement | eBay
Lexar Jumpdrive M400 Usb 3.0 Flash Drive 32gb 64gb 128gb Usb Flash Drive Up To 130mb/s Read Pen Drive Metal U Disk For Computer - Usb Flash Drives - AliExpress