JohnHelm·13 ปีที่แล้ว·discussGet a GymBoss interval timer. Great for exercise, and can accomplish this perception thing. (it has a vibrate-only mode).http://www.amazon.com/Gymboss-Interval-Timer-Stopwatch-METAL...
JohnHelm·13 ปีที่แล้ว·discussHow many hardware iterations has Glass gone through? If I were to pay $1,500 today, is that hardware the same as it was when invitations began?
http://www.amazon.com/Gymboss-Interval-Timer-Stopwatch-METAL...