This product has a countdown timer function, which can display minutes and seconds, and the maximum countdown time can be set to 99 minutes and 59 seconds.

1. Functional Overview:

1. This product is widely used in nap time, study time, beauty time, kitchen, sports, phone calls, medication, meetings, and so on.

2. This product has a countdown function, which can display minutes and seconds.

3. The maximum countdown time can be set to 99 minutes and 59 seconds.

4. Countdown to zero, BiBi sound for 30 seconds.

5. Button Function:

‹分›键：分钟设定键。可按住此键不放，3-5秒后分钟数值快速递增，从00-99-00循环；

‹秒›键：秒键设定键。可按住此键不放，3-5秒后分钟数值快速递增，从00-59-00循环；

'Start/Stop' button; starts or pauses the countdown timer;

The 'Clear' key: Press the minutes and seconds buttons simultaneously to clear the set timer time.

II. Usage Method:

1. Press the "Minutes" key to adjust the required minute count.

2. Press the 'second' key to adjust the required number of seconds;

3. Press the 'Start/Stop' button to start the timer, and press it again to pause; when the countdown timer reaches zero, the timer will emit a 'Bi-Bi' sound.

4. Press both the 'Minutes' and 'Seconds' buttons simultaneously to reset the set value to zero.

5. When the value is zero, press the 'Start/Stop' button to begin forward counting.

6. This product can be placed on a desk with a stand or adhered to a magnetic metal surface using the magnetic back.

Three, Battery Replacement:

When the screen becomes blurry or the sound becomes abnormal, it is likely due to the battery being low. It is necessary to replace the battery to ensure that the machine operates normally.