Dimensions
Link	Mini	Bolt	Elemnt	Roam
Dimensions
Price	$ 100	$ 250	$ 300	$ 380
Height	2.3 in	2.9 in	3.5 in	3.5 in
Width	1.6 in	1.8 in	2.3 in	2.3 in
Depth	0.67 in	0.87 in	0.8 in	0.7 in
Battery
Battery life	1 year	17 hours	17 hours	17 hours
Battery type	Coin Cell	Rechargable Lithium Ion	Rechargable Lithium Ion	Rechargable Lithium Ion
Screen
Screen size	1.8 in	2.2 in	2.7 in	2.7 in
Screen resolution	128 x 160	240 x 320	240 x 400	240 x 400
Display Type	Monochrome	Monochrome	Monochrome	Color
Additional
Weight	1.1 oz	2.1 oz	3.5 oz	3.3 oz
Website	wahoofitness.com/...	wahoofitness.com/...	wahoofitness.com/...	wahoofitness.com/...