1) 1.1.15 function for your different lifestyle - 12/24H Time Clock, Alarm Clock, training clock - UP positive timing function, Countdown function, Stopwatch function - 7 preset modes (D1-D7) supporting MIIT, HIIT, Tabata, FGB, EMOM etc - 3 groups (P0-P2) for setting your favorite training time - Suitable for practicing games, Yoga, Strength Training, jump rope, boxing 2) Built in strong magnetic spine and hanging hole support - Two magnets on the back allow you to hang on any iron/metal gym equipment - Built in hanging hole on the back lets you hang and fix it in other places you want 3) Compact size - Size: 5.9 x 1.5 x 0.83 inches - Fits in a gym bag with a clear, big digital display - Ideal for keeping fit at home, garage, outdoor, home gym, games, meeting, school, kitchen, cooking etc 4) Type-C charging port and 30 hours playing time - Uses a commonly available 5V adapter for charging (not included) - Low battery warning to prevent training interruptions