A ring-style fitness tracker for swimmers uses force and motion sensors collect data on the hands' movement as they push through the water. Matthew Stock reports.
01:33
01:59
01:29
01:05
01:17
01:36
01:28
01:34
05:01
01:26
03:46
01:42
02:58
02:41
01:18
01:23
03:18
03:08
02:56
00:45
00:45
00:39
01:28
00:57
01:00
00:51
01:38
01:01
00:55
00:41
01:16
01:06
01:54
01:43
01:16
02:44
00:43
01:21
03:16
02:48
01:28
01:34
01:18
01:23
01:25
01:34
01:11
00:31
01:30
01:07
00:38
00:45
01:09
01:06
00:35
01:06
00:43
01:22
00:19
00:39
01:17
02:13
01:42
03:08
01:29
01:20
02:54
00:56
03:41
01:46
01:21
02:50
01:53
01:41
02:40
01:56
01:56
02:27
02:04
01:10
01:11
01:42
01:55
01:29
01:01
00:59
00:49
00:57
01:41
02:09
01:36
00:48
01:00
01:46
00:49
02:16
01:14
01:42
01:33
01:21