Polar M400 GPS Activity Tracker Watch | Black dark grey Google Nexus 9

Google Nexus 9

Safety-tested and certified

architects and many others to measure bearings quickly

Model: 2107BLA

Polar M400 GPS Activity Tracker Watch | Black dark grey Google Nexus 9Featuring GPS technology, the Polar M400 Activity Tracker will take your training to the next level. Tracking your pace, distance, altitude, and calories burned it will let you know you're fitness achievement for each workout, and gently vibrate to let you know when you need to move throughout the day. Use the Polar Flow App to set goals, track your progress, and compare with your friends. [Details] Track pace, distance and altitude with the built in