倒數計時器

Features:
1. Simple and easy to use interface
The countdown timer application has an intuitive and simple interface. Users only need to set the countdown time and click the start button to start the timer. The timer will display the remaining time in a countdown manner, allowing users to clearly understand how long it will take to end.
2. Timing mode
• Countdown: Set a specific length of time, and the app will start counting down from the set time. When the time reaches 0, the app will issue a beep or vibrate reminder.
3. Custom timer
Users can set different countdown timers for different scenarios. For example, you can set a 5-minute break timer, a 30-minute work timer, etc. and save these presets for quick use later