Polar M400 GPS Watch with Heart Rate Black 90051339 - Best Buy
Polar M400: Running and activity tracking in one (pictures) - CNET
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: Zshion Screen Protector for Polar M430/m400, Full Coverage Ultra-thin Explosion-proof Anti-Scratch Screen Protector for Polar M430/M400 HD Clear (6 Pack) : Cell Phones & Accessories
Polar M400 GPS Watch - First Run Overview - YouTube