Interval and Circuit Training No Phone No App No Bluetooth Focus on your interval fitness training, 7 preset interval modes coverage from lower-intensity to high-intensity, and 9 private customize plans, meet the needs of athletes at different levels to push beyond your comfort zone Unique Features Clearly icons Commonly used icons are easy to identify, simply to operate Anti-sweat buttons The letters on buttons are extremely hard to wear thanks to the high quality UV coating Anti-scratch Screen/Anti-glare Display Enhanced-screen design to extend the durability of the round timer 4 Levels adjustable brightness, digital visible indoor or outdoor Built-in Speaker Dynamic and realistic voice prompts, but not shrill as buzzer 4 Levels adjustable volume and an OFF option Built-in Strong Magnet Spine Can be firmly attached to any iron gym equipment Low battery warning No need to worry about sudden battery failure when you working out Portable timer for workout Portable countdown timer clock for other occasions Make it as a holiday gift for you loved