Compact and reliable, these micro USB sticks provide convenient end-to-end connectivity with PC's, Mac OS X and Android devices.

ENGADGET: New ANT+ wireless protocol promises longer battery life for fitness gear

HDMI, headphone and a micro USB ports crowd the device's adjacent edges, which wrap around a 10.1-inch 1280 x 800 IPS display -- a concession that was apparently made to increase longevity.

ENGADGET