Model: M400 0Y. Manufacturer: Polar. The screen has scratches, there are other signs of wear on the watch. Logitech Ultimate Ears BOOM S-00122
Polar M400 0Y Bluetooth GPS Multisport Smart Watch, Black, Scratched, Worn
Polar M400 0Y Bluetooth GPS Multisport Smart Watch, White, Scratched, Worn
Polar M400 GPS Smart Sports Watch with Heart Rate Monitor (Pink) : Sports & Outdoors
Polar M400 User Manual
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Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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Model: M400 0Y. Manufacturer: Polar. The screen has scratches, there are other signs of wear on the watch. Logitech Ultimate Ears BOOM S-00122
Polar M400 0Y Bluetooth GPS Multisport Smart Watch, White, Scratched, Worn