Display isn't very easy to read on a sunny day
Bright touchscreen display
Well designed and logical navigation system
Touchscreen is both easy and fun to use
'It was fine but limited in what it could offer boaters and hikers; plus, it was a sluggish performer.'
'powerful, sharp-looking, and compact device'
'unparalleled data and accuracy'
'good, lightweight training device'
'Full-featured run, bike, and swim modes - well-suited to triathletes.'
'The 310XT can use audible signals and/or vibration alerts, to ensure that you are aware of your milestones. '
'Designed for triathletes, the 310XT collects data such as speed, distance and time for bicycling and running, and it is waterproof up to 50 meters for swimming as well.'
'You can purchase the Forerunner 310XT with or without a new (more comfortable than previous models) waterproof, soft-strap heart rate monitor.'
'robust ANT wireless heart rate monitor'
'The Edge 305 has a high-sensitivity SiRFstarIII receiver that is designed to work even through dense foliage or when in deep canyons (natural or man-made).'