Customizable countdown timer enables precise interval training
Vibration alert provides discreet start signal for hands-free operation
Water resistant up to 50 meters for use in swimming and open water
Built-in display ensures clear visibility during workouts
Adjustable duration settings accommodate various training needs
Summarized by Shop
Your Personal Interval Coach Set your ideal countdown time, press start, and get a vibration alert when it’s go-time again. Perfect for HIIT, swim sets, and any time-based interval training.