M400 GPS Sports Watch Swimming and can be used to

and can be used to cancel out unwanted noise

The Martian Passport is part of Martian's Voice Command watch line

The Jabra Stone3 Bluetooth headset allows you to take or rejects calls with voice commands

The Notifier is a fashion-focused smartwatch designed by Martian Watches

M400 GPS Sports Watch Swimming and can be used toThe M400 Sports Watch is built for runners interested in advanced features like GPS tracking and training monitoring. With the Polar Flow web service and mobile app, atheletes can create workout goals and gain deeper insight on activity. The M400 syncs wirelessly via Bluetooth and is compatible with Windows based PCs and Macs. The watch retails for $199. 95 and can be packaged with a Polar H7 heart rate sensor for an additional $50.