Feature 1 Upgrade Function: Fitness timer clock includes 12 functions such as CLOCK, MIIT, HIIT, TABATA, EMOM1, EMOM2, FGB1, FGB1, WRC, UP, DOEN and STOPWATCH, with a buzzer to remind you of the end. 2 Magnetic Spine: Workout interval timer case is wrapped in non slip rubber, built in magnetic spine, no matter how much shaking you make during exercise, it can be firmly sucked on any metal (steel) surface, and at the same time let you can clearly see the time on the screen. 3 30 Hours of Battery Life: The interval timer can last up to 30 hours on a single charge. The workout timer also has a low battery reminder function. 4 Anti Glare Lens: Fitness timer clock features an anti glare lens, making the numbers clearly visible when exercising outdoors. 5 Compact Design: The timer clock is small enough to fit right in your pocket. Suitable for home gym, home garage, school, park gym timer clock, you can take it with you and start training anywhere.Item Type: Fitness Timer ClockMaterial: RubberModel: Q20 miniPower Supply: 18650 Lithium Ion battery 1500mAh (Included)Machine Charging Input Voltage: DC 5VMode:CLOCK: HH:MM Format 12/24 hoursMIIT: 1 minute training, 1 minute rest, 99 cyclesHIIT: 30 seconds training, 30 seconds rest, 99 cyclesTABATA: 20 seconds training, 10 seconds rest, 8 cyclesEMOM1: 1 minute training, no rest, 17 cyclesEMOM2: 1 minute and 30 seconds training, 1 minute rest, 17 cyclesFGB1: 5 minute training, 1 minute rest, 5 cyclesFGB1: 5 minutes training, 1 minute rest, 3 cyclesWRC: 10 sets of custom training patternsUP: MM:SS format 00:00 to 99:59DOEN: MM:SS format 99:59 to 00:00STOPWATCH: MM:SS:ss (1/10s)(1/100s) format 00:00:00 to 99:59:59 Package List1 x Fitness Timer Clock1 x Charging Cable1 x Instruction Manual