Meet the PebbleBee Dragon: a Bluetooth motion tracker that tracks your activities with its on-board sensors. It is compatible with iOS and Android devices. The device is water resistant. It has temperature, speed, acceleration, and direction sensors. PebbleBee Dragon includes a rechargeable LIR2450 120mAh button battery. You can always bring your own CR2450 620mAh button battery.
PebbleBee Dragon has a multi-function button that helps you find or snap pictures with your mobile phone. It is available for $42 at this time.